Device and method for detecting longitudinal position tolerance and surface profile tolerance of automobile cross beam

Abstract

The invention relates to a device and method for detecting the longitudinal position tolerance and the surface profile tolerance of an automobile cross beam, and the device comprises a detection platform, the detection platform is provided with a detection tool and a tool support frame, and the opening of a tool groove of the detection tool is transversely arranged; a material receiving frame and a transverse moving unit are arranged on the detection platform in a sliding manner; a material receiving plate and an overturning motor are arranged on the material receiving frame; the receiving plate is provided with a leaning plate, an X-axis roller assembly, a first open groove, a first lifting unit, a Y-axis roller assembly, a second open groove and a second lifting unit. The X-axis roller assembly comprises a left side roller set and a right side roller set and further comprises a distance adjusting unit for adjusting the distance between the left side roller set and the right side roller set. By applying the device, the device can be matched with a gantry crane in an existing mold workshop, the automobile cross beam is accurately positioned and fed into a detection jig to be detected, a six-axis robot can be replaced, and the cost needed by equipment is greatly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile cross beam processing, in particular to an automobile cross beam longitudinal position degree and surface profile degree detection device and method. BACKGROUND

[0002] The automobile cross beam is one of the important components of the automobile. After the automobile cross beam is processed and formed, it needs to be placed on a special jig for manual operation to detect the flatness of part of the surface of the automobile cross beam and the hole diameter of part of the hole. The process usually involves the following steps: first, a plurality of workers carry the automobile cross beam (heavy in weight, usually two workers need to carry it together) to the jig, then the automobile cross beam is clamped and fixed by a plurality of clamps, then the automobile cross beam is detected by a go-no-go gauge and other tools, after the detection is completed, the clamps are opened, and the automobile cross beam is carried and unloaded by manual operation. The existing process is labor-intensive, time-consuming and laborious. If a gantry crane is used, accurate positioning of the automobile cross beam is a big problem. If a six-axis robot is used, the production cost will be greatly increased. Therefore, there is a need for an automobile cross beam longitudinal position degree and surface profile degree detection device and method which can overcome the above-mentioned defects and has low cost. SUMMARY

[0003] The technical problem to be solved by the present application is to provide an automobile cross beam longitudinal position degree and surface profile degree detection device and method to overcome the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present application to solve the technical problem is as follows:

[0005] The automobile cross beam longitudinal position degree and surface profile degree detection device comprises a detection platform, a detection jig and a jig support frame are arranged on the detection platform, the opening of the jig slot of the detection jig is arranged horizontally, a material receiving frame and a horizontal movement unit for moving the material receiving frame towards or away from one side of the jig support frame are slidably arranged on the detection platform, a material receiving plate and a turnover motor for turning over the material receiving plate are arranged on the material receiving frame, a position aligning plate, an X-axis roller assembly, a first slot matched with the X-axis roller assembly, a first lifting unit for lifting the X-axis roller assembly, a Y-axis roller assembly for moving the automobile cross beam along the Y-axis and aligning the automobile cross beam on the position aligning plate, a second slot matched with the Y-axis roller assembly, and a second lifting unit for lifting the Y-axis roller assembly are arranged on the material receiving plate, the X-axis roller assembly comprises a left roller group and a right roller group corresponding to the two ends of the automobile cross beam respectively, the angle of the ball bearings of the left roller group and the right roller group is adjustable and is 360 degrees, and a distance adjusting unit for adjusting the distance between the left roller group and the right roller group is further arranged on the X-axis roller assembly.

[0006] The automobile cross beam longitudinal position degree and surface profile degree detection device, wherein the left roller group and the right roller group each comprise a mounting seat, a ball and a ball seat for semi-enclosing the ball, the mounting seat is provided with a mounting groove at the upper end, and the ball seat is fixedly arranged at the opening of the mounting groove; the ball can rotate freely in the ball seat; the bottom surface of the ball seat is provided with an adjusting hole; the mounting groove is provided with a drive wheel partially inserted into the adjusting hole to drive the ball, a first rotary motor to drive the drive wheel to rotate, and a second rotary motor to drive the drive wheel and the first rotary motor to horizontally rotate.

[0007] The automobile cross beam longitudinal position degree and surface profile degree detection device, wherein the outer surface of the ball seat and the upper end surface of the mounting seat form a positioning step, and the positioning step is provided with a rubber clamping block for clamping the automobile cross beam.

[0008] The automobile cross beam longitudinal position degree and surface profile degree detection device, wherein the receiving rack is provided with a control host and a visual recognition unit; the control host controls the horizontal moving unit, the turnover motor, the X-axis roller assembly, the first lifting unit, the Y-axis roller assembly and the second lifting unit according to the picture recognized and fed back by the visual recognition unit.

[0009] The automobile cross beam longitudinal position degree and surface profile degree detection device, wherein the Y-axis roller assembly comprises a plurality of conveying rollers arranged side by side, a conveying belt connected with the plurality of conveying rollers, and a drive motor for driving any of the conveying rollers to rotate.

[0010] The automobile cross beam longitudinal position degree and surface profile degree detection device, wherein the first lifting unit and the second lifting unit are both air cylinders.

[0011] The automobile cross beam longitudinal position degree and surface profile degree detection device, wherein the detection jig is provided with an upper baffle and a lower baffle arranged vertically, the upper baffle and the lower baffle form the jig groove, and the left and right ends of the jig groove are both open; the upper baffle and the lower baffle are both provided with a plurality of third grooves for detecting the flatness of the automobile cross beam, and a detection rod for detecting the aperture of the automobile cross beam and a return spring corresponding to the detection rod.

[0012] The automobile cross beam longitudinal position degree and surface profile degree detection device, wherein the horizontal moving unit comprises a lead screw and a lead screw motor, and the detection platform is provided with a sliding rail for slidingly connecting the receiving rack.

[0013] An automobile cross beam longitudinal position degree and surface profile degree detection method, which applies the automobile cross beam longitudinal position degree and surface profile degree detection device, and the method comprises the following steps:

[0014] The processed automobile cross beam is placed on the receiving plate by the gantry crane in the die workshop, and the automobile cross beam is supported by the left roller set and the right roller set;

[0015] The left roller set and the right roller set are controlled to run, the position of the automobile cross beam in the X-axis direction and the deflection angle are adjusted;

[0016] The second lifting unit is controlled to run, the Y-axis roller assembly is lifted to support the automobile cross beam, and the distance adjusting unit is controlled to run, so that the left roller set and the right roller set are moved to the end face positions of the automobile cross beam;

[0017] The Y-axis roller assembly is controlled to run to position the automobile cross beam on the positioning plate, the second lifting unit is controlled to run to lower the Y-axis roller assembly and separate from the automobile cross beam, and the distance adjusting unit is controlled to run to move the left roller set and the right roller set to clamp and fix the automobile cross beam;

[0018] The receiving plate is turned to the vertical direction by the turning motor, and the receiving rack is moved towards the jig support frame by the transverse moving unit;

[0019] The first lifting unit and the second lifting unit are cooperated to drive the left roller set, the right roller set and the Y-axis roller assembly to run, and the automobile cross beam is sent into the detection jig;

[0020] The distance adjusting unit is controlled to run to move the left roller set and the right roller set to release the automobile cross beam, and the first lifting unit and the second lifting unit are cooperated to drive the left roller set, the right roller set and the Y-axis roller assembly to reset;

[0021] The receiving rack is reset by the transverse moving unit.

[0022] The automobile cross beam longitudinal position degree and surface profile degree detection method provided by the application, wherein the method further comprises:

[0023] After the detection is completed, the first lifting unit and the second lifting unit are cooperated to drive the left roller set, the right roller set and the Y-axis roller assembly, and the receiving rack is moved towards the jig support frame by the transverse moving unit;

[0024] The distance adjusting unit is controlled to run to move the left roller set and the right roller set to clamp and fix the automobile cross beam, and the first lifting unit and the second lifting unit are cooperated to drive the left roller set, the right roller set and the Y-axis roller assembly to retract, so that the automobile cross beam is separated from the detection jig;

[0025] The receiving rack is reset by the transverse moving unit, the receiving plate is turned to the vertical direction by the turning motor, and the distance adjusting unit is controlled to run to move the left roller set and the right roller set to release the automobile cross beam;

[0026] The processed automobile cross beam is taken away by the gantry crane in the die workshop.

[0027] The beneficial effects of the present application are that: the processed automobile cross beam is placed on the receiving plate by the gantry crane in the mold workshop, the automobile cross beam is supported by the left roller set and the right roller set; the left roller set and the right roller set are controlled to run, the position of the automobile cross beam in the X-axis direction and the deflection angle are adjusted; the second lifting unit is controlled to run, driving the Y-axis roller assembly to lift and support the automobile cross beam; the distance adjusting unit is operated to move the left roller set and the right roller set to the end face positions of the automobile cross beam; the Y-axis roller assembly is operated to position the automobile cross beam on the positioning plate, and the second lifting unit is operated to drive the Y-axis roller assembly to descend and disengage from the automobile cross beam; the distance adjusting unit is operated to move the left roller set and the right roller set to clamp and fix the automobile cross beam; the overturning motor is operated to drive the receiving plate to overturn to the vertical direction, and the transverse moving unit drives the receiving rack to move towards the jig support frame; the first lifting unit and the second lifting unit are cooperated to drive the left roller set, the right roller set and the Y-axis roller assembly to run, and the automobile cross beam is sent into the detection jig; the distance adjusting unit is operated to move the left roller set and the right roller set to release the automobile cross beam; the first lifting unit and the second lifting unit are cooperated to drive the left roller set, the right roller set and the Y-axis roller assembly to reset; the transverse moving unit drives the receiving rack to reset; the device of the present application can cooperate with the existing gantry crane in the mold workshop, accurately position the automobile cross beam and feed it into the detection jig for detection, can replace the six-axis robot, and greatly reduce the cost of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the present application will be further described below with reference to the drawings and embodiments. The drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any inventive labor:

[0029] Figure 1 is a detection platform structure schematic diagram of the automobile cross beam longitudinal position degree and surface profile degree detection device of the preferred embodiment of the present application (the receiving rack and the receiving plate are not shown);

[0030] Figure 2 is a structure principle diagram of the automobile cross beam longitudinal position degree and surface profile degree detection device of the preferred embodiment of the present application;

[0031] Figure 3 is a top view of the receiving plate of the automobile cross beam longitudinal position degree and surface profile degree detection device of the preferred embodiment of the present application;

[0032] Figure 4 is a sectional view of the receiving plate of the automobile cross beam longitudinal position degree and surface profile degree detection device of the preferred embodiment of the present application;

[0033] Figure 5 is a left side roller group sectional view of the automobile cross beam longitudinal position degree and surface profile degree detection device of the preferred embodiment of the present application;

[0034] Figure 6 is a feeding flow chart of the automobile cross beam longitudinal position degree and surface profile degree detection method of the preferred embodiment of the present application;

[0035] Figure 7 is a discharging flow chart of the automobile cross beam longitudinal position degree and surface profile degree detection method of the preferred embodiment of the present application. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will make a clear and complete description of the technical scheme of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0037] The automobile cross beam longitudinal position degree and surface profile degree detection device of the preferred embodiment of the present application, as shown in Figure 1 , and referring to Figures 2-5 , comprises a detection platform 1, a detection jig 2 and a jig support frame 3 are arranged on the detection platform 1, the opening of a jig groove 22 of the detection jig 2 is arranged horizontally; a receiving frame 4 and a horizontal moving unit 5 moving the receiving frame 4 towards or away from the side of the jig support frame are slidingly arranged on the detection platform 1; a receiving plate 6 and a turnover motor (not shown in the figure) turning over the receiving plate are arranged on the receiving frame 4; the receiving plate 6 is provided with a position-keeping plate 60, an X-axis roller assembly, a first slot 62 cooperating with the X-axis roller assembly, a first lifting unit 63 lifting the X-axis roller assembly, a Y-axis roller assembly 64 moving the automobile cross beam along the Y-axis and keeping the position of the automobile cross beam on the position-keeping plate 60, a second slot 65 cooperating with the Y-axis roller assembly, and a second lifting unit 66 lifting the Y-axis roller assembly; the X-axis roller assembly comprises a left side roller group 610 and a right side roller group 611 corresponding to the two ends of the automobile cross beam respectively, the adjustable angle of the ball bearings of the left side roller group 610 and the right side roller group 611 is 360 degrees, and the X-axis roller assembly further comprises a distance adjusting unit 67 (a bidirectional screw rod assembly can be used) adjusting the distance between the left side roller group 610 and the right side roller group 611;

[0038] The processed automobile cross beam is placed on the receiving plate 6 by the gantry crane in the mold workshop, and the automobile cross beam is supported by the left roller set 610 and the right roller set 611; the left roller set 610 and the right roller set 611 are controlled to run, so as to adjust the position of the automobile cross beam in the X-axis direction and the deflection angle; the second lifting unit 66 is controlled to run, so as to drive the Y-axis roller assembly 64 to support the automobile cross beam; the distance adjusting unit 67 is operated to move the left roller set 610 and the right roller set 611 to the end face positions of the automobile cross beam; the Y-axis roller assembly 64 is operated to position the automobile cross beam on the positioning plate 60, and the second lifting unit 66 is operated to drive the Y-axis roller assembly 64 to descend and disengage from the automobile cross beam; the distance adjusting unit 67 is operated to move the left roller set 610 and the right roller set 611 to clamp and fix the automobile cross beam;

[0039] The receiving plate 6 is turned over to the vertical direction (the positioning plate 60 provides supporting force) by the operation of the turning motor, and the receiving rack 4 is moved towards the jig support frame 3 by the operation of the transverse moving unit 5; the first lifting unit 63 and the second lifting unit 66 are cooperated to drive the left roller set 610, the right roller set 611 and the Y-axis roller assembly 64 to run, so as to send the automobile cross beam into the detection jig 2; the distance adjusting unit 67 is operated to move the left roller set 610 and the right roller set 611 to release the automobile cross beam; the first lifting unit 63 and the second lifting unit 66 are cooperated to drive the left roller set 610, the right roller set 611 and the Y-axis roller assembly 64 to reset; the receiving rack 4 is reset by the operation of the transverse moving unit 5;

[0040] By using the device of the present application, the automobile cross beam can be accurately positioned and fed into the detection jig for detection in cooperation with the existing gantry crane in the mold workshop, and the six-axis robot can be replaced, and the cost of the equipment can be greatly reduced.

[0041] Preferably, the left roller set 610 and the right roller set 611 each include a mounting seat 6100, a ball 6101 and a ball seat 6102 for partially wrapping the ball, the upper end of the mounting seat 6100 is provided with a mounting groove 6103, and the ball seat 6102 is fixedly arranged at the opening of the mounting groove 6103; the ball 6101 can freely rotate in the ball seat 6102; the bottom surface of the ball seat 6102 is provided with an adjusting hole 6104; the mounting groove 6103 is provided with a drive wheel 6105 partially inserted into the adjusting hole 6104 to drive the ball, a first rotating motor 6106 to drive the drive wheel to rotate, and a second rotating motor 6107 to drive the drive wheel and the first rotating motor to horizontally rotate;

[0042] During operation, the drive wheel and the first rotating motor are driven to horizontally rotate by the second rotating motor 6107, so as to change the rotating direction of the drive wheel, and the ball is driven by the drive wheel by friction, so as to realize the direction adjustment and driving of the ball 6101, and further achieve the purpose of adjusting the position of the automobile cross beam in the X-axis direction and the deflection angle.

[0043] Preferably, the outer side surface of the ball seat 6102 and the upper end surface of the mounting seat 6100 form a positioning step 6108, and the positioning step 6108 is provided with a rubber clamping block 6109 for clamping the automobile beam; the reliability during clamping the automobile beam is ensured, and the automobile beam is also prevented from being damaged.

[0044] Preferably, the receiving rack 4 is provided with a control host 40 and a visual recognition unit 41; the control host 40 controls the horizontal moving unit, the overturning motor, the X-axis roller assembly, the first lifting unit, the Y-axis roller assembly and the second lifting unit to operate according to the picture recognized and fed back by the visual recognition unit 41; and full automatic control is facilitated.

[0045] Preferably, the Y-axis roller assembly 64 includes a plurality of conveying rollers arranged side by side, a conveying belt connected to the plurality of conveying rollers, and a driving motor for driving any one of the conveying rollers to rotate; the specific structure of this part can adopt a conventional driving roller assembly and does not need to be further improved.

[0046] Preferably, the first lifting unit 63 and the second lifting unit 66 are both air cylinders, and can also be designed in the form of a lead screw or a linear motor according to needs, which is not limited.

[0047] Preferably, the detection jig 2 is provided with an upper baffle 20 and a lower baffle 21 arranged in an up-down manner, the upper baffle 20 and the lower baffle 21 form a jig groove 22, and the left and right ends of the jig groove 22 are both arranged in an open manner (for facilitating clamping of feeding and discharging); the upper baffle 20 and the lower baffle 21 are both provided with a plurality of third grooves 23 for detecting the flatness of the automobile beam and a detection rod 24 and a return spring 25 corresponding to the detection rod for detecting the aperture of the automobile beam; the structure is simple, reasonable and compact, and facilitates rapid detection of the side hole position and flatness and cooperation with each component on the receiving rack; in addition, the lateral structure is also beneficial to the visual recognition unit 41 to cover the feeding and discharging situation, improve the precision and reduce the use of a set of visual recognition devices.

[0048] Preferably, the horizontal moving unit 5 includes a lead screw and a lead screw motor, and the detection platform 1 is provided with a sliding rail 10 slidably connected to the receiving rack 4; the driving stability is good, and the control precision is high.

[0049] An automobile beam longitudinal position degree and surface profile degree detection method, which applies the automobile beam longitudinal position degree and surface profile degree detection device as described above, as shown in Figure 6 , and referring to Figure 7 , the method comprises the following steps:

[0050] S01: placing the processed automobile beam on the receiving plate by the gantry crane in the mold workshop, and supporting the automobile beam by the left roller set and the right roller set;

[0051] S02: Control the left and right roller groups to run, adjust the position of the automobile beam in the X-axis direction and the deflection angle;

[0052] S03: Control the second lifting unit to run, drive the Y-axis roller assembly to lift the automobile beam; control the distance adjusting unit to move the left and right roller groups to the end faces of the automobile beam;

[0053] S04: The Y-axis roller assembly runs to position the automobile beam on the positioning plate, and the second lifting unit runs to lower the Y-axis roller assembly and disengage from the automobile beam;

[0054] S05: The distance adjusting unit runs to move the left and right roller groups to clamp and fix the automobile beam;

[0055] S06: The turnover motor runs to turn the receiving plate to the vertical direction, and the horizontal moving unit drives the receiving rack to move towards the jig support frame;

[0056] S07: The first and second lifting units cooperatively drive the left and right roller groups and the Y-axis roller assembly to run, and send the automobile beam into the detection jig;

[0057] S08: The distance adjusting unit runs to move the left and right roller groups to release the automobile beam;

[0058] S09: The first and second lifting units cooperatively drive the left and right roller groups and the Y-axis roller assembly to reset;

[0059] S10: The horizontal moving unit drives the receiving rack to reset;

[0060] By applying the method of the application, the automobile beam can be accurately positioned and fed into the detection jig for detection in cooperation with the gantry crane in the existing mold workshop, and the six-axis robot can be replaced, and the cost of the equipment can be greatly reduced.

[0061] Preferably, the method further comprises a feeding step:

[0062] S11: After detection, the first and second lifting units cooperatively drive the left and right roller groups and the Y-axis roller assembly, and the horizontal moving unit drives the receiving rack to move towards the jig support frame;

[0063] S12: The distance adjusting unit runs to move the left and right roller groups to clamp and fix the automobile beam; the first and second lifting units cooperatively drive the left and right roller groups and the Y-axis roller assembly to retract, so that the automobile beam disengages from the detection jig (the positioning plate provides a supporting force);

[0064] S13: The horizontal moving unit drives the receiving frame to reset, the turnover motor operates to drive the receiving plate to turn over to the vertical direction; the distance adjusting unit operates to move the left and right roller groups to loosen the automobile beam;

[0065] S14: The processed automobile beam is taken away by the gantry crane in the die workshop;

[0066] By using the above method, the automobile beam that has been detected can be taken out of the detection fixture, and the unloading work of the automobile beam is completed.

[0067] It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the present application.

Claims

1. A device for detecting the longitudinal position and surface profile of a vehicle crossbeam, characterized in that: The camshaft is provided with a plurality of movable parts, and the movable parts are provided with a plurality of movable parts, and the movable parts are provided with a plurality of movable parts.

2. The device for detecting longitudinal position and surface profile of a cross beam of an automobile according to claim 1, characterized in that: The left roller group and the right roller group both include a mounting seat, a ball and a ball seat that half-encloses the ball. A mounting groove is provided at the upper end of the mounting seat, and the ball seat is fixedly arranged at the opening of the mounting groove; the ball can rotate freely in the ball seat; an adjustment hole is provided on the bottom surface of the ball seat; a driving wheel partially extending into the adjustment hole and adapted to drive the ball, a first rotating motor that drives the driving wheel to rotate, and a second rotating motor that drives the driving wheel and the first rotating motor to rotate horizontally are provided in the mounting groove.

3. The device for detecting longitudinal position and surface profile of a cross beam of an automobile according to claim 2, characterized in that: The outer surface of the ball seat and the upper end surface of the mounting seat are combined to form a positioning step, and a rubber clamping block for clamping the automobile cross beam is provided on the positioning step.

4. The device for detecting longitudinal position and surface profile of a cross beam of an automobile according to claim 2, characterized in that: The material receiving rack is provided with a control host and a visual recognition unit; the control host controls the operation of the transverse movement unit, the flip motor, the X-axis roller assembly, the first lifting unit, the Y-axis roller assembly, and the second lifting unit according to the image feedback recognized by the visual recognition unit.

5. The device for detecting longitudinal position and surface profile of a vehicle cross beam according to claim 1, characterized in that: The Y-axis roller assembly includes a plurality of conveying rollers distributed side by side, a conveying belt connecting the plurality of conveying rollers, and a driving motor for driving any of the conveying rollers to rotate.

6. The device for detecting longitudinal position and surface profile of a vehicle cross beam according to claim 1, characterized in that: The first lifting unit and the second lifting unit are both cylinders.

7. The device for detecting longitudinal position and surface profile of a cross beam of an automobile according to claim 1, characterized in that: The detection jig is provided with an upper baffle and a lower baffle distributed up and down, and the upper baffle and the lower baffle enclose the jig slot, and the left and right ends of the jig slot are open; the upper baffle and the lower baffle are both provided with a plurality of third slots for detecting the flatness of the automobile beam, as well as detection rods for detecting the aperture of the automobile beam and reset springs corresponding to the detection rods.

8. The device for detecting longitudinal position and surface profile of a vehicle cross beam according to claim 1, characterized in that: The transverse movement unit includes a screw and a screw motor, and the detection platform is provided with a slide rail slidably connected to the material receiving rack.

9. A method for detecting the longitudinal position and surface profile of an automobile cross beam, using the device for detecting the longitudinal position and surface profile of an automobile cross beam according to any one of claims 1 to 8, characterized in that: The method comprises the steps of: The processed automobile crossbeam is placed on the material receiving plate by the gantry crane in the mold workshop. The automobile crossbeam is supported by the left and right roller assemblies. Control the operation of the left and right roller groups to adjust the X-axis position and deflection angle of the vehicle beam; Control the second lifting unit to operate, driving the Y-axis roller assembly to lift and support the automobile beam; the distance adjustment unit operates to move the left and right roller assemblies to the end faces of the automobile beam; The Y-axis roller assembly operates to position the automobile crossbeam on the positioning plate, and the second lifting unit operates to drive the Y-axis roller assembly to descend and separate from the automobile crossbeam; the distance adjustment unit operates to move the left and right roller assemblies to clamp and fix the automobile crossbeam; The turning motor drives the receiving plate to turn to the vertical direction, and the transverse movement unit drives the receiving frame to move toward the fixture support frame; The first lifting unit and the second lifting unit work together to drive the left roller group, the right roller group and the Y-axis roller assembly to move the automobile beam into the inspection fixture; The operation of the distance adjustment unit causes the left roller group and the right roller group to move and release the automobile crossbeam; the first lifting unit and the second lifting unit cooperate to drive the left roller group, the right roller group and the Y-axis roller assembly to reset; The transverse movement unit drives the material receiving rack to reset.

10. The method for detecting the longitudinal position and surface profile of an automobile cross beam according to claim 9, characterized in that: The method further comprises: After the inspection is completed, the first lifting unit and the second lifting unit work together to drive the left roller group, the right roller group and the Y-axis roller assembly, and the transverse movement unit drives the receiving frame to move toward the fixture support frame; The operation of the distance adjustment unit causes the left roller group and the right roller group to move and clamp the fixed automobile beam; the first lifting unit and the second lifting unit cooperate to drive the left roller group, the right roller group and the Y-axis roller assembly to retract, so that the automobile beam is separated from the detection fixture; The transverse movement unit drives the receiving rack to reset, and the turning motor drives the receiving plate to turn to the vertical direction; The operation of the distance adjustment unit causes the left roller assembly and the right roller assembly to move and release the automobile crossbeam; The processed automobile beams are removed by the gantry crane in the mold workshop.

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