CN220277921U

CN220277921U - Automatic calibrating device for instrument board beam

Info

Publication number: CN220277921U
Application number: CN202322235441.7U
Authority: CN
Inventors: 陈伟; 唐典均; 张凯; 张必金; 王海阳; 李文俊; 周争红; 陈佳; 杨帆
Original assignee: Chongqing Boao Mg Al Manufacuture Co ltd
Current assignee: Chongqing Boao Mg Al Manufacuture Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-01-02
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses an automatic calibration device for a cross beam of an instrument board, which comprises a frame, a positioning and clamping mechanism, an x-direction calibration mechanism and a z-direction calibration mechanism; the positioning and clamping mechanism is fixedly arranged in the middle of the frame; the x-direction correction mechanism is arranged in the middle of the frame behind the positioning and clamping mechanism through a first displacement mechanism, and the first displacement mechanism is used for driving the x-direction correction mechanism to move up and down and back and forth; the z-direction correction mechanism is arranged at the top of the frame through a second displacement mechanism, and the second displacement mechanism is used for driving the z-direction correction mechanism to move forwards and backwards and leftwards and rightwards. The labor intensity of workers is effectively reduced, the production efficiency is greatly improved, the quality of the products after the correction can be ensured, and the deformation and damage of the CCB framework due to excessive correction can be effectively avoided.

Description

Automatic calibrating device for instrument board beam

Technical Field

The utility model relates to the technical field of automobile part production and processing, in particular to an automatic calibration device for an instrument board beam.

Background

The instrument board beam assembly is also called a CCB assembly, and is mainly used for supporting the man-machine interface control equipment and the decoration, and simultaneously forms a safety system together with other safety structures.

In the production process of the CCB assembly, the die casting of part of the CCB framework is influenced by the structure, and x-direction deformation and z-direction deformation can occur in the die casting-demolding process (wherein the x-direction and the z-direction are defined by taking the position of the CCB framework as the reference, taking the front and back horizontal directions as the x-direction, taking the left and right horizontal directions as the y-direction and taking the up and down directions as the z-direction). The causes of the deformation of the CCB scaffold are:

1. the width of the girder is narrower than the side area, and the girder is deformed due to the pulling of the wider areas at the two sides during die casting, so that the size is out of tolerance;

2. because the solidification and cooling of the runner are slowest, the product can be contracted and pulled by the runner to generate deformation;

3. the continuous cooling of the runner after the die casting ejection can be added to the pulling of the product to increase the deformation of the girder;

4. for large thin-wall die-casting products, the deformation amplitude of die opening and ejection is about 3mm, the unilateral deformation of the die-casting process is controlled within 1mm, and the yield is difficult to improve;

therefore, in the case that the existing process cannot meet the processing requirements, the qualification rate needs to be ensured through a later calibration procedure. However, in the existing calibration procedure, manual calibration is adopted, that is, x/z directional calibration devices are respectively arranged, and after the CCB framework is placed in place, the corresponding part is manually pressed to reset the deformation position. Thus, the labor intensity of workers is high, the production efficiency is low, and the CCB framework is easy to damage.

Disclosure of Invention

The utility model provides an automatic calibration device for a cross beam of an instrument board, which can effectively solve the defects existing in the prior art.

The technical scheme of the utility model is as follows:

an automatic calibrating device of instrument board crossbeam, its key lies in: the device comprises a frame, a positioning and clamping mechanism for clamping and positioning a workpiece, a z-direction correction mechanism for correcting the z-direction deformation of the workpiece and an x-direction correction mechanism for correcting the x-direction deformation of the workpiece;

the positioning and clamping mechanism is fixedly arranged in the middle of the frame;

the z-direction correction mechanism is arranged in the middle of the frame behind the positioning and clamping mechanism through a first displacement mechanism, and the first displacement mechanism is used for driving the z-direction correction mechanism to move up and down and back and forth;

the X-direction correction mechanism is arranged at the top of the frame through a second displacement mechanism, and the second displacement mechanism is used for driving the X-direction correction mechanism to move forwards and backwards and leftwards and rightwards.

Further, the positioning and clamping mechanism comprises a base, positioning support assemblies are arranged on the left side and the right side of the base, a pressing assembly matched with the positioning support assemblies is arranged on the base on the outer side of the positioning support assemblies, a plurality of support pins are arranged between the positioning support assemblies on the two sides, a first jacking assembly and a second jacking assembly are arranged on the base on the front side of each support pin, and the action directions of the first jacking assembly and the second jacking assembly are backward.

Further, compress tightly the subassembly and include support column, mounting groove, compress tightly cylinder and compact heap, the mounting groove is fixed at the top of support column, compress tightly the cylinder articulated in mounting groove one side the opposite side of mounting groove is fixed with articulated seat, articulated seat's top with the one end of compact heap is articulated, the middle part of compact heap through articulated piece with compress tightly the output of cylinder is articulated, the other end of compact heap is connected with the pressure head.

Further, the first displacement mechanism includes first sideslip motor and two first slide rails, first sideslip motor is fixed in the frame, two first slide rails set up side by side in the rear side of frame, sliding support has first slide on two first slide rails, and this first slide is close to one side of first sideslip motor is provided with first rack, first rack with the drive gear meshing that sets up on the first sideslip motor output shaft, first sideslip motor can drive first slide along first slide rail left and right sides reciprocating sliding be fixed with the bottom of first slide, be connected with first layer board after the output shaft of this lift jar upwards passes first slide the fixed setting of first layer board Z is to school type mechanism.

Further, the z-direction correction mechanism comprises a first correction electric cylinder and a guide plate, wherein the first correction electric cylinder and the guide plate are fixed on the first support plate, the first correction electric cylinder is horizontally and transversely fixed on the first support plate, an output shaft of the first correction electric cylinder penetrates through the center of the guide plate forwards and then is connected with a first correction end socket, first guide rods are further arranged on two sides of the guide plate in a penetrating mode, and the front ends of the first guide rods are connected with the first correction end socket through first connecting blocks.

Further, the second displacement mechanism comprises a left-right movement assembly and a front-back movement assembly, the left-right movement assembly is fixed at the top of the frame, the front-back movement assembly is arranged on the left-right movement assembly, and the x-direction correction mechanism is fixedly arranged on the front-back movement assembly.

Further, the left-right movement assembly comprises two second sliding rails and a mounting plate, the second sliding rails and the mounting plate are connected between the left side and the right side of the frame in parallel, a second sliding plate is supported on the two second sliding rails in a sliding mode, the mounting plate is arranged close to one of the second sliding rails, a second transverse moving motor is arranged on the mounting plate, a driving gear arranged on an output shaft of the second transverse moving motor is meshed with a second rack fixed on the second sliding plate, the second sliding plate is provided with a front-back movement assembly, and a avoidance notch for the x-direction correction mechanism to move back and forth is formed in the second sliding plate.

Further, the back-and-forth movement assembly comprises two third sliding rails and a longitudinal movement motor which are arranged side by side, the two third sliding rails and the longitudinal movement motor are both fixed on the left-and-right movement assembly, a second supporting plate is slidably supported on the third sliding rails, a third rack is fixed on the bottom surface of the second supporting plate, the third rack is meshed with a driving gear arranged on an output shaft of the longitudinal movement motor, the longitudinal movement motor can drive the second supporting plate to slide back and forth along the third sliding rails, a mounting bracket is fixedly connected to the bottom surface of the second supporting plate, and the z-direction correction mechanism is fixedly mounted on the mounting bracket.

Further, a through hole is formed in the second supporting plate, the mounting bracket is arranged below the through hole, and the upper part of the z-direction correction mechanism independently penetrates through the through hole.

Further, the z-direction correction mechanism comprises a second correction electric cylinder, the second correction electric cylinder is vertically fixed on the mounting bracket, an output shaft of the second correction electric cylinder downwards penetrates through the center of the mounting bracket and then is connected with a second correction end socket, second guide rods are further arranged on two sides of the mounting bracket in a penetrating mode, and the lower ends of the second guide rods are connected with the second correction end socket through second connecting blocks.

The remarkable effects are as follows: reasonable in design, simple structure, easy implementation, the simple operation, laborsaving, on the one hand effectively alleviateed workman's intensity of labour, improved production efficiency greatly, on the other hand can ensure the product quality after the correction, effectively avoid the CCB skeleton to take place to warp because of the correction is excessive and damage.

Drawings

FIG. 1 is a schematic view of a view angle structure of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a schematic view of the positioning and clamping mechanism;

FIG. 5 is an enlarged schematic view of a portion of FIG. 4A;

FIG. 6 is a top view of the positioning and clamping mechanism;

FIG. 7 is a schematic view of a z-direction calibration mechanism and a first displacement mechanism from one view;

FIG. 8 is a schematic view of the z-direction calibration mechanism and the first displacement mechanism from another perspective;

FIG. 9 is a schematic diagram of the structure of the x-direction calibration mechanism and the second displacement mechanism from one view;

FIG. 10 is a schematic diagram of an x-direction calibration mechanism and a second displacement mechanism from another perspective.

Detailed Description

The utility model is further described below with reference to examples and figures.

As shown in fig. 1-3, an automatic calibration device for a beam of an instrument panel comprises a frame 1, a positioning and clamping mechanism 2 for clamping and positioning a workpiece, a z-direction calibration mechanism 3 for calibrating z-direction deformation of the workpiece, and an x-direction calibration mechanism 4 for calibrating x-direction deformation of the workpiece;

a lifting lug 7 is arranged at the top of the frame 1, and a supporting component 8 is arranged at the bottom of the frame 1;

the positioning and clamping mechanism 2 is fixedly arranged in the middle of the frame 1;

the z-direction correction mechanism 3 is arranged in the middle of the frame 1 behind the positioning and clamping mechanism 2 through a first displacement mechanism 5, and the first displacement mechanism 5 is used for driving the z-direction correction mechanism 3 to move up and down and back and forth;

the x-direction correction mechanism 4 is arranged at the top of the frame 1 through a second displacement mechanism 6, and the second displacement mechanism 6 is used for driving the x-direction correction mechanism 4 to move back and forth and left and right.

Referring to fig. 4-6, the positioning and clamping mechanism 2 includes a base 21, positioning support assemblies 22 are disposed on left and right sides of the base 21, a pressing assembly 23 matched with the positioning support assemblies 22 is disposed on the base 21 outside the positioning support assemblies 22, a plurality of support pins 24 are disposed between the positioning support assemblies 22 on two sides, a first propping assembly 25 and a second propping assembly 26 are disposed on the base 21 on front sides of the support pins 24, an action direction of the first propping assembly 25 and the second propping assembly 26 is backward, a z-direction distance detection assembly 27 is disposed between the first propping assembly 25 and the second propping assembly 26, and a marking assembly 28 is disposed on right side of the second propping assembly 26.

In the positioning and clamping mechanism 2, the positioning and supporting assembly 22 is formed with a positioning groove and a positioning pin for positioning and supporting two ends of the CCB framework, the pressing assembly 23 is used for pressing and fixing two ends of the CCB framework supported on the positioning and supporting assembly 22, and the supporting pin 24 is used for supporting the middle part of the CCB framework so as to ensure the normal operation of the x-direction correction process; the first propping assembly 25 and the second propping assembly 26 are used for propping and limiting the front side of the CCB framework; the z-direction distance detection component 27 is used for detecting the height of the workpiece in the z direction, so that the height of the workpiece in the z direction after correction meets the process requirement; the marking assembly 28 is used to mark the calibrated good product. The positioning and clamping mechanism 2 with the structure can well fix two sides except the two sides contacted with the z-direction correction mechanism 3 and the x-direction correction mechanism 4, and can effectively eliminate errors caused by only occurrence.

As shown in fig. 5, the compressing assembly 23 includes a support column 231, a mounting groove 232, a compressing cylinder 233 and a compressing block 234, the mounting groove 232 is fixed at the top of the support column 231, the compressing cylinder 233 is hinged to one side of the mounting groove 232, a hinge base 235 is fixed at the other side of the mounting groove 232, the top of the hinge base 235 is hinged to one end of the compressing block 234, the middle of the compressing block 234 is hinged to the output end of the compressing cylinder 233 through a hinge block 236, and the other end of the compressing block 234 is connected with a compressing head 237.

The output shaft of the compressing cylinder 233 can drive the compressing block 234 to rotate through expansion and contraction, so that improvement of the high and low positions of the compressing head 237 is realized, and then the CCB framework is compressed and fixed or released.

Referring to fig. 7 and 8, the first displacement mechanism 5 includes a first traversing motor 51 and two first sliding rails 52, the first traversing motor 51 is fixed on the frame 1, the two first sliding rails 52 are arranged side by side on the rear side of the frame 1, a first sliding plate 53 is slidably supported on the two first sliding rails 52, a first rack 54 is disposed on a side of the first sliding plate 53, which is close to the first traversing motor 51, the first rack 54 is meshed with a driving gear disposed on an output shaft of the first traversing motor 51, the first traversing motor 51 can drive the first sliding plate 53 to reciprocate left and right along the first sliding rail 52, a lifting electric cylinder 55 is fixed at the bottom of the first sliding plate 53, an output shaft of the lifting electric cylinder 55 passes through the first sliding plate 53 upwards and is connected with a first supporting plate 56, and the z-direction correcting mechanism 3 is fixedly disposed on the first supporting plate 56.

The driving gear arranged on the output shaft of the first traversing motor 51 is meshed with a first rack 54 fixed on the first sliding plate 53, so that the first sliding plate 53 can be driven to slide left and right along the first sliding rail 52 in a reciprocating manner in the working and rotating process of the first traversing motor 51, and meanwhile, the output shaft of the lifting electric cylinder 55 stretches and contracts to drive the first supporting plate 56 to move up and down, so that the z-direction correction mechanism 3 is driven to move up and down; thus, by controlling the first traverse motor 51 and the lift cylinder 55, the first displacement mechanism 5 can drive the z-direction correction mechanism 3 to correct the CCB skeleton at any position in the z-direction as needed.

Further, a guiding component 57 is further connected to the bottom surface of the first supporting plate 56 on the circumferential side of the lifting cylinder 55, and the guiding component 57 is limited in the first sliding plate 53 in a sliding manner, so that stability of the lifting process of the z-direction calibration mechanism 3 is ensured.

Referring to fig. 7, the z-direction calibration mechanism 3 includes a first calibration cylinder 31 and a guide plate 32 fixed on the first support plate 56, the first calibration cylinder 31 is horizontally and transversely fixed on the first support plate 56, and an output shaft of the first calibration cylinder 31 passes through the center of the guide plate 32 forward and then is connected with a first calibration end 33, two sides of the guide plate 32 are further provided with first guide rods 34 in a penetrating manner, and the front end of the first guide rod 34 is connected with the first calibration end 33 through a first connecting block 35.

The z-direction correction mechanism 3 stretches out and draws back through the output shaft of first correction electric jar 31 to drive first correction end 33 and carry out correction processing to the position of z-direction deformation, the setting of deflector 32 and first guide bar 34 simultaneously can play the effect of direction to the flexible motion process of first correction end 33, makes its motion more stable, thereby guarantees correction precision.

Referring to fig. 9 and 10, the second displacement mechanism 6 includes a left-right movement assembly and a front-back movement assembly, the left-right movement assembly is fixed on the top of the frame 1, the front-back movement assembly is disposed on the left-right movement assembly, and the x-direction correction mechanism 4 is fixedly disposed on the front-back movement assembly.

The left-right moving component drives the front-back moving component to move left and right, and the front-back moving component drives the x-direction correction mechanism 4 to move back and forth, so that the x-direction correction mechanism 4 can perform correction processing on the x-direction deformation of any position on the CCB framework.

Further, the left-right moving assembly includes two second slide rails 61 and an installation plate 62, the second slide rails 61 and the installation plate 62 are connected between the left side and the right side of the frame 1 in parallel, a second slide plate 63 is supported on the two second slide rails 61 in a sliding manner, the installation plate 62 is close to one of the second slide rails 61, a second traversing motor 64 is arranged on the installation plate 62, a driving gear arranged on an output shaft of the second traversing motor 64 is meshed with a second rack 65 fixed on the second slide plate 63, the second slide plate 63 is provided with the front-back moving assembly, and an avoidance notch 66 for the x-direction correction mechanism 4 to move back and forth is formed on the second slide plate 63.

The driving gear arranged on the output shaft of the second traversing motor 64 is meshed with the second rack 65 fixed on the second sliding plate 63, so that the second sliding plate 63 can be driven to reciprocate left and right along the second sliding rail 61 in the process of rotating the second traversing motor 64, that is, the left and right movement of the front and back moving assembly is realized.

Still further, the back-and-forth moving assembly comprises two third slide rails 67 and a longitudinal moving motor 68 which are arranged side by side, the two third slide rails 67 and the longitudinal moving motor 68 are both fixed on the left-and-right moving assembly, a second supporting plate 69 is slidably supported on the third slide rails 67, a third rack 610 is fixed on the bottom surface of the second supporting plate 69, the third rack 610 is meshed with a driving gear arranged on an output shaft of the longitudinal moving motor 68, the longitudinal moving motor 68 can drive the second supporting plate 69 to slide back and forth along the third slide rails 67, a mounting bracket 611 is fixedly connected to the bottom surface of the second supporting plate 69, and the x-direction correction mechanism 4 is fixedly mounted on the mounting bracket 611.

The driving gear arranged on the output shaft of the longitudinal movement motor 68 is meshed with the third rack 610 fixed on the second supporting plate 69, so that the longitudinal movement motor 68 can drive the second supporting plate 69 to reciprocate back and forth along the third sliding rail 67 in the rotating process, that is, the front and back movement of the x-direction correction mechanism 4 is realized, and the left and right movement assembly is matched, so that the movement of the x-direction correction mechanism 4 in the left and right directions and the front and back directions is realized, that is, the x-direction correction mechanism 4 can process the x-direction deformation at any position.

Preferably, a through hole 612 is formed in the second supporting plate 69, the mounting bracket 611 is disposed below the through hole 612, and the upper portion of the x-direction calibration mechanism 4 is independently disposed in the through hole 612. By providing the through hole 612 to accommodate the upper portion of the x-direction calibration mechanism 4, the space occupied in the vertical direction of the device can be reduced.

Referring to fig. 10, in this example, the x-directional calibration mechanism 4 includes a second calibration cylinder 41, where the second calibration cylinder 41 is vertically fixed on the mounting bracket 611, an output shaft of the second calibration cylinder 41 passes through the center of the mounting bracket 611 downward and then is connected with a second calibration end 42, two sides of the mounting bracket 611 are further provided with second guide rods 43 in a penetrating manner, and a lower end of the second guide rod 43 is connected with the second calibration end 42 through a second connection block 44.

The x-direction correction mechanism 4 stretches out and draws back through the output shaft of the second correction electric cylinder 41 to drive the second correction end 42 to perform correction processing on the x-direction deformed position on the CCB framework, and meanwhile, the second guide rod 43 can play a role in guiding the stretching and retracting movement process of the second correction end 42, so that the movement of the second correction end 42 is more stable, and the correction precision is ensured.

In a specific implementation process, the z-direction calibration mechanism 3 and the x-direction calibration mechanism 4 are respectively provided with a size detection assembly 9 in a matching manner, wherein the size detection assembly 9 arranged on the z-direction calibration mechanism 3 is used for detecting the size of the CCB framework in the z-direction, and the size detection assembly 9 arranged on the x-direction calibration mechanism 4 is used for detecting the size of the CCB framework in the x-direction, and the detection principle is as follows: the detection head is driven to move through the air cylinder until the detection head is contacted with the CCB framework, then the stroke of the detection head or the air cylinder piston rod is detected through the displacement sensor, and then the size data in the x direction or the z direction can be obtained through detection by combining the initial position parameter of the detection head. And controlling the correction amounts of the z-direction correction mechanism 3 and the x-direction correction mechanism 4 based on the detected size data, so that the corrected products reach the standards.

During the calibration processing production, the two sides except the contact with the z-direction calibration mechanism 3 and the x-direction calibration mechanism 4 can be well fixed by controlling the pressing component 23, the first propping component 25 and the second propping component 26 of the positioning and clamping mechanism 2;

then, by controlling the first traversing motor 51 and the lifting cylinder 55, the first displacement mechanism 5 can be driven to drive the z-direction correction mechanism 3 to correct the shape of any position on the CCB framework, which is subjected to z-direction deformation;

meanwhile, the second traversing motor 64 and the longitudinal moving motor 68 can be controlled, so that the left-right moving assembly and the front-back moving assembly drive the x-direction correction mechanism 4 to move left-right and back-forth, and the x-direction correction mechanism 4 is driven to realize correction processing on any position on the CCB framework, which is deformed in the x direction.

The beneficial effects are that: the device fastens the CCB framework through the positioning and clamping mechanism 2, and realizes the automatic correction treatment of the z-direction deformation and the x-direction deformation on the CCB framework die casting through the matching of the z-direction correction mechanism 3 and the first displacement mechanism 5 and the matching of the x-direction correction mechanism 4 and the second displacement mechanism 6.

Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. An automatic correction device of instrument board crossbeam, its characterized in that: comprises a frame (1), a positioning and clamping mechanism (2) for clamping and positioning a workpiece, a z-direction correction mechanism (3) for correcting the z-direction deformation of the workpiece and an x-direction correction mechanism (4) for correcting the x-direction deformation of the workpiece;

the positioning and clamping mechanism (2) is fixedly arranged in the middle of the frame (1);

the z-direction correction mechanism (3) is arranged in the middle of the frame (1) behind the positioning and clamping mechanism (2) through a first displacement mechanism (5), and the first displacement mechanism (5) is used for driving the z-direction correction mechanism (3) to move up and down and back and forth;

the X-direction correction mechanism (4) is arranged at the top of the frame (1) through a second displacement mechanism (6), and the second displacement mechanism (6) is used for driving the X-direction correction mechanism (4) to move forwards and backwards and leftwards and rightwards.

2. The automatic calibration device for a dashboard cross beam according to claim 1, wherein: the positioning and clamping mechanism (2) comprises a base (21), wherein positioning support assemblies (22) are arranged on the left side and the right side of the base (21), a pressing assembly (23) matched with the positioning support assemblies is arranged on the base (21) on the outer side of the positioning support assemblies (22), a plurality of support pins (24) are arranged between the positioning support assemblies (22) on the two sides, a first jacking assembly (25) and a second jacking assembly (26) are arranged on the base (21) on the front side of the support pins (24), and the action directions of the first jacking assembly (25) and the second jacking assembly (26) are backward.

3. The automatic calibration device for a dashboard cross beam according to claim 2, wherein: the compression assembly (23) comprises a support column (231), a mounting groove (232), a compression cylinder (233) and a compression block (234), wherein the mounting groove (232) is fixed at the top of the support column (231), the compression cylinder (233) is hinged to one side of the mounting groove (232), a hinge seat (235) is fixed to the other side of the mounting groove (232), the top of the hinge seat (235) is hinged to one end of the compression block (234), the middle of the compression block (234) is hinged to the output end of the compression cylinder (233) through a hinge block (236), and a pressure head (237) is connected to the other end of the compression block (234).

4. The automatic calibration device for a dashboard cross beam according to claim 1, wherein: the first displacement mechanism (5) comprises a first transverse moving motor (51) and two first sliding rails (52), the first transverse moving motor (51) is fixed on the frame (1), the two first sliding rails (52) are arranged side by side on the rear side of the frame (1), a first sliding plate (53) is slidably supported on the two first sliding rails (52), a first rack (54) is arranged on one side, close to the first transverse moving motor (51), of the first sliding plate (53), the first rack (54) is meshed with a driving gear arranged on an output shaft of the first transverse moving motor (51), the first transverse moving motor (51) can drive the first sliding plate (53) to slide in a left-right reciprocating mode along the first sliding rails (52), a lifting electric cylinder (55) is fixed at the bottom of the first sliding plate (53), an output shaft of the lifting electric cylinder (55) upwards penetrates through the first sliding plate (53) and then is connected with a first supporting plate (56), and the z-shaped correction mechanism (3) is fixedly arranged on the first supporting plate (56).

5. The automatic calibration device for a cross beam of an instrument panel according to claim 4, wherein: the Z-direction correction mechanism (3) comprises a first correction electric cylinder (31) and a guide plate (32), wherein the first correction electric cylinder (31) is fixed on the first support plate (56) horizontally, an output shaft of the first correction electric cylinder (31) passes through the center of the guide plate (32) forwards and then is connected with a first correction end head (33), first guide rods (34) are further arranged on two sides of the guide plate (32) in a penetrating mode, and the front ends of the first guide rods (34) are connected with the first correction end head (33) through first connecting blocks (35).

6. The automatic calibration device for a dashboard cross beam according to claim 1, wherein: the second displacement mechanism (6) comprises a left-right movement assembly and a front-back movement assembly, the left-right movement assembly is fixed at the top of the frame (1), the front-back movement assembly is arranged on the left-right movement assembly, and the x-direction correction mechanism (4) is fixedly arranged on the front-back movement assembly.

7. The automatic calibration device for a cross beam of an instrument panel according to claim 6, wherein: the left-right moving assembly comprises two second sliding rails (61) and a mounting plate (62), the second sliding rails (61) and the mounting plate (62) are connected between the left side and the right side of the frame (1) in parallel, a second sliding plate (63) is slidably supported on the two second sliding rails (61), the mounting plate (62) is close to one of the second sliding rails (61), a second traversing motor (64) is arranged on the mounting plate (62), a driving gear arranged on an output shaft of the second traversing motor (64) is meshed with a second rack (65) fixed on the second sliding plate (63), the second sliding plate (63) is provided with a front-back moving assembly, and an avoidance notch (66) for the front-back movement of the x-direction correcting mechanism (4) is formed on the second sliding plate (63).

8. The automatic calibration device for a cross beam of an instrument panel according to claim 6, wherein: the front-back moving assembly comprises two third sliding rails (67) and a longitudinal moving motor (68) which are arranged side by side, the two third sliding rails (67) and the longitudinal moving motor (68) are fixed on the left-right moving assembly, a second supporting plate (69) is slidably supported on the third sliding rails (67), a third rack (610) is fixed on the bottom surface of the second supporting plate (69), the third rack (610) is meshed with a driving gear arranged on an output shaft of the longitudinal moving motor (68), the longitudinal moving motor (68) can drive the second supporting plate (69) to reciprocate back and forth along the third sliding rails (67), a mounting bracket (611) is fixedly connected to the bottom surface of the second supporting plate (69), and the x-direction correcting mechanism (4) is fixedly mounted on the mounting bracket (611).

9. The automatic calibration device for a dashboard cross beam of claim 8, wherein: the second supporting plate (69) is provided with a through hole (612), the mounting bracket (611) is arranged below the through hole (612), and the upper part of the x-direction correction mechanism (4) is independently arranged in the through hole (612).

10. The instrument panel beam automatic calibration device according to claim 8 or 9, characterized in that: the X-direction correction mechanism (4) comprises a second correction electric cylinder (41), the second correction electric cylinder (41) is vertically fixed on the mounting bracket (611), an output shaft of the second correction electric cylinder (41) downwards penetrates through the center of the mounting bracket (611) and then is connected with a second correction end head (42), two sides of the mounting bracket (611) are further provided with second guide rods (43) in a penetrating mode, and the lower ends of the second guide rods (43) are connected with the second correction end head (42) through second connecting blocks (44).