CN115406682A - Automatic workpiece detection station - Google Patents

Abstract

The invention relates to an automatic workpiece detection station, wherein a detection area is arranged in the automatic workpiece detection station, at least one workpiece testing device is arranged in the detection area, a transplanting mechanism is arranged on at least one side of the detection area, a material tray containing workpieces is conveyed to the transplanting mechanism, and the transplanting mechanism automatically conveys the material tray to the detection area. The invention solves the technical problem of lower automation of detection of spring workpieces in the brake clamp overhauling process.

Description

Automatic workpiece detection station

Technical Field

The invention relates to the technical field of workpiece preparation, in particular to an automatic detection station for a workpiece, and particularly relates to an automatic detection station for a spring workpiece of a braking clamp unit for a railway vehicle.

Background

In the field of basic braking of railway rolling stock, the performance of a brake clamp unit as a key part of a basic braking device directly depends on the running safety and riding comfort of a train.

At present, spring type workpieces of a brake clamp unit are mainly detected by quality testing personnel, the labor intensity is high, and the conditions of low automation degree, low digitization degree, low accuracy degree of measurement results and the like exist in the detection process.

The spring part detection is mainly implemented by using a spring testing machine, and the processes of spring feeding and discharging, detection result recording, unqualified product sorting and the like are all manually executed. For maintenance products, the springs which are disassembled are assembled back to the original clamp after being detected to be qualified (namely, a single-set flow maintenance mode), the matching of the springs and the clamp is very complicated work, the springs need to be numbered when the clamp is disassembled, and finally the springs are assembled into the clamp corresponding to the numbers of the springs after being detected to be qualified. In the process, the springs are easily confused, so that the springs and the clamps cannot correspond to each other one by one, and inconvenience is brought to maintenance work; meanwhile, the spring detection, the loading and unloading, the sorting of unqualified products and other work are finished manually, so that the labor intensity is high, the detection efficiency is low, the data arrangement after detection is also heavy, the detection record table needs to be arranged into an electronic form and uploaded to a system, and errors are easy to occur. Therefore, the problems of low automation degree, low data digitization degree, low data accuracy degree and the like exist in the detection process of the spring type workpiece in the brake clamp overhauling process at present.

Aiming at the problem that the automation of detection of spring workpieces in the brake clamp overhauling process is low in the related technology, an effective solution is not provided at present.

Therefore, the inventor provides an automatic workpiece detection station by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.

Disclosure of Invention

The invention aims to provide an automatic workpiece detection station which can improve the efficiency and the capacity of a measurement link in the overhaul process, reduce the labor intensity of personnel, improve the accuracy of a measurement result and the traceability of measurement data, and provide data support for the running state and the overhaul of a vehicle.

The purpose of the invention can be realized by adopting the following scheme:

the invention provides an automatic workpiece detection station, wherein a detection area is arranged in the automatic workpiece detection station, at least one workpiece testing device is arranged in the detection area, a transplanting mechanism is arranged on at least one side of the detection area, a material tray containing workpieces is conveyed to the transplanting mechanism, and the transplanting mechanism automatically conveys the material tray to the detection area.

In a preferred embodiment of the present invention, the tray is provided with a plurality of positioning grooves, each positioning groove is provided with a workpiece seat that can be taken out, and each workpiece is respectively disposed on the corresponding workpiece seat.

In a preferred embodiment of the present invention, a first mark for recording a detection sequence of the workpieces is disposed on the tray at a position corresponding to each positioning groove.

In a preferred embodiment of the present invention, the transplanting mechanism includes a plurality of material ports arranged side by side, one end of each of the plurality of material ports is connected to a position adjusting frame, and the material tray can move between the material port and the position adjusting frame.

In a preferred embodiment of the present invention, the position adjusting frame is a frame structure disposed along a horizontal direction, a plurality of material ports are disposed side by side along a length direction of the position adjusting frame 203, and a first roller set for facilitating conveying the material tray is disposed at each material port;

the position adjusting frame is provided with a second roller group along the length direction of the position adjusting frame, the second roller group is convenient for conveying the material tray, a movable dragging part is arranged on the second roller group, and the material tray is arranged on the movable dragging part.

In a preferred embodiment of the present invention, the movable dragging element includes a movable plate and a dragging element, the movable plate is movably disposed on the second roller set, a track is disposed on a top of the movable plate along a moving direction of the material tray, two ends of the track are respectively connected to the material opening position and the detection area, the dragging element is movably disposed on the track, and the dragging element is connected to the material tray to transfer the material tray placed in the material opening position to the detection area.

In a preferred embodiment of the present invention, the movable pulling member further includes a guiding post, the guiding post is parallel to the rail, and the pulling member is slidably sleeved on the guiding post.

In a preferred embodiment of the present invention, a support plate is disposed below the dragging member, a lifting cylinder is disposed between the dragging member and the support plate, at least two dragging rods are disposed on the top of the dragging member, and insertion holes corresponding to the dragging rods are disposed on the material tray.

In a preferred embodiment of the present invention, a third guiding wheel set is disposed on the moving plate from the material opening to the detection area, and the material tray is disposed on the third guiding wheel set when the dragging member drags the material tray to move.

In a preferred embodiment of the present invention, the moving plate is provided with an information collecting device, the tray is provided with a second identifier for recording the type information of the workpiece, and the information collecting device collects the information on the second identifier to determine the type of the detected workpiece.

In a preferred embodiment of the present invention, the detection area is provided with a defective material outlet station, and the work pieces that do not meet the preset standard after detection are conveyed to the defective material outlet station.

In a preferred embodiment of the present invention, a cooperative robot is disposed in the detection area, and the cooperative robot removes the workpiece from the tray and moves the workpiece to a detection position of the workpiece testing apparatus for detection.

In a preferred embodiment of the present invention, the automatic workpiece detecting station further includes a movable transporting mechanism, a fourth guiding wheel set is disposed on the top of the transporting mechanism for conveying the tray, and the tray can be placed on the transporting mechanism to transport the tray to the position of the transplanting mechanism.

In a preferred embodiment of the present invention, the conveying mechanism is a height-adjustable cart, and the bottom of the cart is provided with universal wheels and directional wheels.

In a preferred embodiment of the present invention, the automatic workpiece detecting station further includes at least one placing rack, a plurality of placing stations are disposed along a length direction of the placing rack, and a fifth guiding wheel set is disposed on each placing station, and is convenient for conveying the tray.

In a preferred embodiment of the present invention, the automatic workpiece detecting station further includes at least one assembling station, the assembling station is provided with a plurality of assembling stations, and each assembling station is provided with a sixth guiding wheel set for facilitating conveying of the tray.

In a preferred embodiment of the present invention, a retractable error-proof pin is disposed on an inner wall of the assembly table, and a concave portion matched with the error-proof pin is disposed at an edge of the material tray.

In a preferred embodiment of the present invention, the workpiece is a spring, and the workpiece testing apparatus is a spring pressure testing machine.

From the above, the automatic workpiece detection station of the invention has the characteristics and advantages that: be provided with workpiece testing device in the detection zone at work piece automated inspection station, and be provided with transplanting mechanism in at least one side of detection zone, the staff can transport the charging tray that is equipped with the work piece to predetermineeing the position, carry out the performance detection by transplanting the automatic charging tray conveying of mechanism to the detection zone, compare with manual measurement mode, can obviously improve the efficiency and the productivity of work piece measurement link, reduce staff's intensity of labour, at the detection efficiency of work piece, measuring result's accuracy, measuring process's management and control level, all there is the showing promotion in aspects such as measuring result's traceability.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.

Wherein:

FIG. 1: is a top view of the automatic workpiece inspection station of the present invention.

FIG. 2: is a top view of the transplanting mechanism in the automatic workpiece detection station.

FIG. 3: is a schematic structural diagram of a movable dragging piece in the automatic workpiece detection station.

FIG. 4: is a top view of the tray in the automatic workpiece detection station of the present invention.

FIG. 5: is a top view of the rack in the automatic workpiece inspection station of the present invention.

FIG. 6: is a top view of the combining table in the automatic workpiece inspection station of the present invention.

FIG. 7: an enlarged view of the combination station in fig. 6.

FIG. 8: is a schematic structural diagram of a cooperative robot in the automatic workpiece detection station.

The reference numbers in the present invention are:

1. a detection zone; 101. A workpiece testing device;

102. a defective material outlet station; 2. A transplanting mechanism;

201. a material port; 202. A first roller train;

203. a position adjusting frame; 204. A second roller set;

3. a conveyance mechanism; 301. A fourth guide wheel set;

4. a material tray; 401. Positioning a groove;

402. a second identifier; 403. A handle;

404. a first identifier; 405. A recess;

406. a jack; 5. A collaborative robot;

501. a mechanical arm; 502. A clamping jaw;

6. moving the dragging piece; 601. Moving the plate;

602. a track; 603. A dragging member;

604. a towing rod; 605. A guide post;

606. a third guide wheel set; 607. An information acquisition device;

608. a lift cylinder; 609. A support plate;

7. placing a rack; 701. A fifth guide wheel set;

8. an assembly table; 801. A sixth guide wheel set;

802. a mistake proofing pin; 9. A workpiece seat.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

As shown in fig. 1 to 8, the present invention provides an automatic workpiece inspection station, wherein a detection area 1 is arranged in the automatic workpiece inspection station, at least one workpiece testing device 101 is arranged in the detection area 1, a transplanting mechanism 2 is arranged on at least one side of the detection area 1, a tray 4 containing a workpiece is conveyed to the transplanting mechanism 2, and the transplanting mechanism 2 automatically conveys the tray 4 to the detection area 1, so as to complete the inspection of the workpiece.

According to the invention, the workpiece testing device 101 is arranged in the detection area 1 of the automatic workpiece detection station, the transplanting mechanism 2 is arranged on at least one side of the detection area 1, a worker can convey the material tray 4 with the workpiece to a preset position, and the transplanting mechanism 2 can automatically convey the material tray 4 to the detection area 1 to detect the performance of the workpiece.

Further, the workpiece in the present invention may be, but is not limited to, a spring used in a brake caliper unit of a vehicle, and the workpiece testing apparatus 101 may be, but is not limited to, a spring pressure tester by which elasticity of the spring can be detected.

In an alternative embodiment of the present invention, as shown in fig. 4, the tray 4 is a rectangular disk-shaped structure made of an aluminum alloy material, the tray 4 is arranged along a horizontal direction, a plurality of positioning grooves 401 are arranged on the top of the tray 4, a workpiece seat 9 capable of being taken out is arranged in each positioning groove 401, and each workpiece is arranged on the corresponding workpiece seat 9.

Specifically, work piece seat 9 is the cylindric structure of vertical setting, and the spring can overlap and locate work piece seat 9 to fix the spring, constant head tank 401 and 9 looks adaptations of work piece seat can imbed work piece seat 9's bottom to constant head tank 401 in, thereby can place a plurality of springs respectively on charging tray 4.

Further, as shown in fig. 4, at least two opposite edges of the tray 4 are provided with handles 403, and the worker can drag the tray 4 by the handles 403, so as to facilitate transportation of the tray 4.

Furthermore, as shown in fig. 4, the tray 4 is provided with first marks 404 for recording the detection sequence of the workpiece at positions corresponding to the positioning grooves 401 (e.g., positions below the positioning grooves 401 and close to the positioning grooves 401), so that the springs can be successfully detected according to the first marks 404. Such as: each first mark 404 may be a sequential number, and each spring is detected according to the sequence of the number, so that the detection result corresponds to each spring. Different first marks 404 can be set to correspond to springs of different models, and the model information of the springs can be obtained through the first marks 404.

In an alternative embodiment of the present invention, as shown in fig. 1 and fig. 2, the transplanting mechanism 2 includes a plurality of material ports 201 arranged side by side, one end of each of the plurality of material ports 201 is connected to the position adjusting rack 203, the material tray 4 can move between the material port 201 and the position adjusting rack 203, and the material tray 4 can be automatically transferred from the position of the material port 201 to the detection area 1 by the transplanting mechanism 2, so as to detect the performance of the spring. The number of the transplanting mechanisms 2 can be multiple, and the number and the positions of the transplanting mechanisms 2 are set according to actual detection environment and requirements, which are not limited herein.

Further, as shown in fig. 2, the position adjusting frame 203 is a rectangular frame structure arranged along the horizontal direction, the plurality of material ports 201 are arranged side by side along the length direction of the position adjusting frame 203, a first roller set 202 for conveying the material tray 4 is arranged at the position of each material port 201, and the conveying direction of the first roller set 202 is perpendicular to the length direction of the position adjusting frame 203. Set up the aim at of a plurality of material mouths 201 and provide a plurality of pay-off stations to but simultaneously carry a plurality of charging trays 4 to detection zone 1, promote detection efficiency. In an embodiment of the present invention, the number of the material ports 201 is ten, so that ten material trays 4 can be buffered at one time, and at least two workers are required to meet the operation requirement of the whole automatic detection station.

Further, as shown in fig. 2, a second roller set 204 convenient for conveying the material tray 4 is arranged on the position adjusting frame 203 along the length direction of the position adjusting frame, the conveying direction of the second roller set 204 is the same as the length direction of the position adjusting frame 203, a movable dragging component 6 is arranged on the second roller set 204, the worker can place the material tray 4 in the material opening 201, and the movable dragging component 6 can move between the material opening 201 and the detection area 1 along the second roller set 204, so as to take down and detect the spring.

In an alternative embodiment of the present invention, as shown in fig. 3, the moving and dragging member 6 includes a moving plate 601 and a dragging member 603, the moving plate 601 is a flat plate structure disposed along a horizontal direction, the moving plate 601 is movably disposed on the top of the second roller set 204, a track 602 is disposed on the top of the moving plate 601 along a moving direction of the tray 4 (that is, the disposed direction of the track 602 is the same as the conveying direction of the first roller set 202 at the material opening 201), two ends of the track 602 can be respectively connected to the material opening 201 and the detection area 1, the dragging member 603 is movably disposed on the track 602, the dragging member 603 is connected to the tray 4, and the track 602 can drive the dragging member 603 to move, so as to convey the tray 4 placed at the material opening 201 to the detection area 1.

Specifically, the rail 602 may be a rack arranged along the horizontal direction, the bottom of the dragging member 603 is provided with a motor, an output shaft of the motor is provided with a gear, teeth of the gear are engaged with teeth of the rack, and the dragging member 603 can be driven to move on the rack by controlling the working state of the motor, so as to achieve the purpose of driving the dragging member 603 to move.

Further, as shown in fig. 3, the movable dragging member 6 further includes a guiding post 605, the guiding post 605 is parallel to the rail 602, the bottom of the dragging member 603 is slidably sleeved on the guiding post 605, and the guiding post 605 plays a guiding and limiting role for the dragging member 603, so as to ensure that the tray 4 can be conveyed from the position of the material opening 201 to the detection area 1.

Further, as shown in fig. 3 and 4, a support plate 609 is horizontally disposed below the dragging member 603, a lifting cylinder 608 is disposed between the dragging member 603 and the support plate 609, the lifting cylinder 608 is vertically disposed, a top end of the lifting cylinder 608 is connected to a bottom of the dragging member 603, a bottom end of the lifting cylinder 608 is connected to a top of the support plate 609, at least two dragging rods 604 are disposed at a top of the dragging member 603 side by side, the dragging rods 604 are vertically disposed, a bottom of the dragging rod 604 is connected to a top of the dragging member 603, a socket 406 corresponding to the dragging rod 604 is disposed on the tray 4, when a worker places the tray 4 at the material opening 201, the movable dragging member 6 moves to the material opening 201 and is located below the tray 4, the dragging rod 604 is opposite to the socket 406, at this time, the lifting cylinder 608 is controlled to drive the dragging member 603 to move upward, and the dragging rod 604 is inserted into the corresponding socket 406 while moving upward, so that the tray 4 is connected to the movable dragging member 6, and the movable dragging member 6 can move between the material opening 201 and the tray 1.

Further, as shown in fig. 3, a third guide wheel set 606 for conveying the tray 4 is disposed on the top of the moving plate 601 from the position of the material opening 201 to the detection area 1, and when the tray 4 is dragged by the dragging member 603 to move, the tray 4 is placed on the third guide wheel set 606.

In an alternative embodiment of the present invention, as shown in fig. 3 and 4, an information acquisition device 607 is disposed on the moving plate 601, a second identifier 402 for recording the type information of the workpiece is disposed on the tray 4, and during the process of transporting the tray 4, the information on the second identifier 402 can be acquired by the information acquisition device 607 to determine the type of the workpiece to be detected in the tray 4.

Further, the second identifier 402 may be, but is not limited to, a preset two-dimensional code information, and the information acquisition device 607 may be, but is not limited to, a code scanning gun. The type information of the workpiece may be, but is not limited to, the type of the spring, the clamp type and the group to which the spring belongs, and the like.

In an alternative embodiment of the present invention, as shown in fig. 1, the detection area 1 is provided with a defective material outlet station 102 (i.e., an NG material outlet), and the detected workpieces that do not meet the preset standard are transported to the defective material outlet station 102 for centralized processing by the staff.

In an alternative embodiment of the present invention, as shown in fig. 1 and 8, a cooperative robot 5 is disposed in the inspection area 1, and the cooperative robot 5 can remove the workpiece (together with the workpiece seat 9) from the tray 4 and move the workpiece to an inspection position of the workpiece testing apparatus 101 for inspection.

Further, as shown in fig. 8, the cooperative robot 5 includes a robot arm 501 and a gripper 502, the bottom of the robot arm 501 is fixed in the detection area 1, and the gripper 502 is provided at the action end of the robot arm 501. The spring is grasped by controlling the gripping jaws 502 (grasping the position of the workpiece holder 9, avoiding deformation of the spring), and the spring is moved to the detection position of the workpiece testing device 101 by controlling the robot arm 501 to be detected. The cooperative robot 5, the mechanical arm 501 and the clamping jaw 502 are all existing products, the clamping jaw 502 can realize the function of grabbing, and the mechanical arm 501 can realize the function of space movement, and the specific structures and working principles of the cooperative robot 5, the mechanical arm 501 and the clamping jaw 502 are not limited herein. Of course, the invention has two modes of automatic measurement of the robot and manual semi-automatic measurement, namely, when the robot breaks down, the robot can be manually replaced by the mechanical arm.

In the case where the cooperative robot 5 malfunctions, the detection may be performed by a worker manually moving the spring to the detection position of the workpiece testing apparatus 101.

In an alternative embodiment of the present invention, as shown in fig. 1, 5 and 6, the automatic workpiece detecting station further includes a movable conveying mechanism 3, a fourth guiding wheel set 301 for conveying the tray 4 is disposed on the top of the conveying mechanism 3, and the tray 4 can be placed on the conveying mechanism 3 to convey the tray 4 to the position of the transplanting mechanism 2. Wherein, the top of conveying mechanism 3 is provided with a plurality of places, can once only convey a plurality of charging trays 4.

Furthermore, the conveying mechanism 3 is a trolley with adjustable height, and the bottom of the trolley is provided with universal wheels and directional wheels. The trolley can be adjusted by lifting through telescopic legs or hydraulic cylinders, and the maximum height of the trolley can be but is not limited to 1.5m.

In an alternative embodiment of the present invention, as shown in fig. 5, the automatic workpiece detecting station further includes at least one placing rack 7, a plurality of placing stations are disposed along a length direction of the placing rack 7, and a fifth guiding wheel set 701 for facilitating conveying of the material tray 4 is disposed on each placing station. Before the springs are tested, the springs can be placed on the placing frame 7 in groups so as to be stored.

Furthermore, third marks are respectively arranged on the positions (such as positions close to the placing stations) of the placing rack 7 corresponding to the placing stations, and the information of the charging tray 4 on the corresponding placing station can be recorded through the third marks.

In an optional embodiment of the present invention, as shown in fig. 6 and 7, the automatic workpiece inspection station further includes at least one assembly station 8, the assembly station 8 is provided with a plurality of assembly stations, and each assembly station is provided with a sixth guide wheel set 801 for facilitating conveying of the tray 4. Before the spring is detected, a worker can assemble the spring and the matched clamp unit by using the information recorded by the first mark 404 and the second mark 402 on the assembly station, so that the assembly accuracy is ensured, and the misassembly condition is avoided.

Furthermore, each roller in the sixth guiding wheel set 801 is connected with an output shaft of the motor, so that the rollers can be driven by the motor to rotate, and the material tray 4 can be moved on the assembling table 8.

Further, as shown in fig. 4 and 7, a retractable error-proof pin 802 is arranged on an inner wall of the assembly table 8, an accommodating cavity (not shown) is formed in the inner wall of the assembly table 8, a spring (not shown) is arranged in the accommodating cavity, one end of the spring abuts against the inner wall of the accommodating cavity, the other end of the spring abuts against one end of the error-proof pin 802, and the other end of the error-proof pin 802 extends to the assembly station; concave part 405 with mistake proofing round pin 802 matched with is seted up at the edge of charging tray 4, when placing charging tray 4, need place charging tray 4 on the equipment station from top to bottom, make mistake proofing round pin 802 be located concave part 405, because other positions of charging tray 4 do not set up concave part 405, if the direction error that charging tray 4 placed, then mistake proofing round pin 802 can block transferring of charging tray 4, consequently, cooperate through mistake proofing round pin 802 and concave part 405 and can avoid charging tray 4 to place the direction and take place the mistake.

Specifically, as shown in fig. 4 and 7, the concave portion 405 is a tapered or arc-shaped groove, and when the tray 4 is moved, the inner wall of the concave portion 405 presses the error-preventing pin 802, so that the error-preventing pin 802 compresses the spring, the error-preventing pin 802 moves into the accommodating cavity, and the tray 4 can move on the assembly table 8.

In an optional embodiment of the present invention, a display screen may be further provided, and the detection result and the data are displayed through the display screen, so that the staff can know the detection result in real time.

The detection process of the invention for the workpiece (spring) comprises the following steps: a worker conveys a material tray 4 filled with springs to a material port 201 of an automatic workpiece detection station through a conveying mechanism 3 (a trolley) (at the moment, the material port 201 is used for feeding), a transplanting mechanism 2 is automatically connected with the material tray 4 corresponding to the material port 201, the material tray 4 is conveyed to a detection station corresponding to a detection area 1, a cooperative robot 5 automatically picks a workpiece seat 9 and moves the workpiece seat to be placed on a corresponding spring pressure tester for detection, a spring pressure tester calls a corresponding program to perform force value detection on the springs, results are judged according to detection requirements, the cooperative robot 5 can place the qualified springs back to the original positions of the material tray 4, the unqualified springs are placed to an unqualified material outlet station 102, after all the springs in the material tray 4 are detected completely, the transplanting mechanism 2 conveys the material tray 4 to the material port 201 (at the moment, the material port 201 is used for feeding), and the worker takes the material tray 4 away.

The automatic workpiece detection station has the characteristics and advantages that:

1. the automatic workpiece detection station can realize automatic detection of workpieces, improve detection efficiency and ensure accuracy of data.

2. The automatic workpiece detection station is high in automation degree, the convenience of workpiece detection is greatly improved, manual carrying and manual detection are reduced, the detection efficiency and accuracy are improved, manpower is reduced, and the cost is saved.

3. The automatic workpiece detection station can record and count detected data, and realizes online tracking and control of the detection process.

4. The automatic workpiece detection station can realize automatic acquisition, configuration, analysis, error prevention and traceability of all process information data, and improve workpiece detection accuracy and traceability.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.

Claims (18)

1. The utility model provides a work piece automated inspection station which characterized in that be provided with the detection zone in the work piece automated inspection station, be provided with at least one work piece testing arrangement in the detection zone, at least one side of detection zone is provided with transplants the mechanism, will be equipped with the charging tray of work piece and transport to on the transplanting mechanism, transplanting the mechanism automatic with the charging tray conveys to the detection zone.

2. The station of claim 1, wherein the tray has a plurality of positioning slots, each positioning slot having a removable workpiece seat disposed therein, each workpiece being disposed on a corresponding workpiece seat.

3. The station according to claim 2, wherein a first mark for recording the sequence of the detection of the workpieces is provided on the tray at a position corresponding to each positioning groove.

4. The automatic workpiece detection station according to claim 1, wherein the transplanting mechanism comprises a plurality of material ports arranged side by side, one end of each of the plurality of material ports is connected with a position adjusting frame, and the material tray can move between the material port and the position adjusting frame.

5. The automatic workpiece detection station of claim 4, wherein the position adjustment frame is a frame structure arranged along a horizontal direction, a plurality of material ports are arranged side by side along a length direction of the position adjustment frame 203, and a first roller set for conveying the material trays is arranged at each material port;

the position adjusting frame is provided with a second roller group along the length direction of the position adjusting frame, the second roller group is convenient for conveying the material tray, a movable dragging part is arranged on the second roller group, and the material tray is arranged on the movable dragging part.

6. The automatic workpiece detection station according to claim 5, wherein the movable dragging member comprises a movable plate and a dragging member, the movable plate is movably arranged on the second roller set, a track is arranged on the top of the movable plate along the moving direction of the material tray, two ends of the track can be respectively connected with the material opening position and the detection area, the dragging member is movably arranged on the track, and the dragging member is connected with the material tray so as to convey the material tray placed in the material opening position to the detection area.

7. The station according to claim 6, wherein said mobile dragging member further comprises a guiding post, said guiding post is disposed parallel to said rail, and said dragging member is slidably sleeved on said guiding post.

8. The automatic workpiece detection station according to claim 6, wherein a support plate is arranged below the dragging member, a lifting cylinder is arranged between the dragging member and the support plate, at least two dragging rods are arranged on the top of the dragging member, inserting holes corresponding to the dragging rods are arranged on the tray, when the tray is positioned above the dragging member and the dragging rods correspond to the inserting holes, the lifting cylinder is controlled to drive the dragging member to move upwards, and the dragging rods are inserted into the corresponding inserting holes, so that the dragging member can drag the tray.

9. The automatic workpiece detection station according to claim 8, wherein a third guide wheel set for facilitating the transportation of the material tray is arranged on the movable plate from the position of the material port to the detection area, and when the material tray is dragged to move by the dragging member, the material tray is placed on the third guide wheel set.

10. The station according to claim 6, wherein said moving plate is provided with an information collecting device, said tray is provided with a second mark for recording information of the kind of said workpiece, and said information collecting device collects information on said second mark to determine the kind of said workpiece to be detected.

11. The automatic workpiece detection station as claimed in claim 1, wherein the detection zone is provided with a defective material outlet station, and the workpieces which do not meet a preset standard after detection are conveyed to the defective material outlet station.

12. The automated workpiece inspection station of claim 1, wherein a cooperating robot is disposed within the inspection zone, the cooperating robot removing workpieces from the tray and moving the workpieces to an inspection position of the workpiece testing device for inspection.

13. The station according to claim 1, characterized in that it further comprises a movable transport mechanism, on top of which a fourth guiding wheel set is arranged to facilitate the transport of the tray, which can be placed on the transport mechanism to transport the tray to the position of the transplanting mechanism.

14. The station for the automated inspection of workpieces according to claim 13, wherein said transport mechanism is a height-adjustable cart having universal wheels and orientation wheels at the bottom thereof.

15. The automatic workpiece detection station according to claim 1, further comprising at least one placing rack, wherein a plurality of placing stations are arranged along the length direction of the placing rack, and a fifth guide wheel set convenient for conveying the material tray is respectively arranged on each placing station.

16. The automatic workpiece detection station of claim 1, further comprising at least one assembly station, wherein a plurality of assembly stations are disposed on the assembly station, and a sixth guide wheel set for conveying the tray is disposed on each assembly station.

17. The automatic workpiece detection station as claimed in claim 16, wherein an inner wall of the assembly table is provided with a retractable error-proof pin, and the edge of the material tray is provided with a concave part matched with the error-proof pin.

18. The station of claim 1, wherein the workpiece is a spring and the workpiece testing device is a spring press tester.

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