Workpiece transfer device for magnetic powder inspection

Abstract

The utility model relates to the technical field of workpiece transfer, and discloses a workpiece transfer device for magnetic powder inspection, which comprises two groups of transfer units positioned on two sides of a magnetic powder inspection machine body, each group of transfer unit comprises four fixing plates, a transmission wheel is rotatably connected between the two fixing plates, a transmission chain is sleeved between the side surfaces of the two transmission wheels, and the transmission chain is connected with the transmission unit through a transmission shaft. A conveying driving motor used for driving the transmission wheels to rotate is arranged on one face of the fixing plate, a plurality of V-shaped placing frames are fixedly installed on the side face of the transmission chain, a bearing top beam installed on the magnetic particle flaw detector body is arranged between the two sets of transfer units, and the two ends of the bearing top beam extend to the positions above the two sets of transfer units. A telescopic device with a telescopic effect is arranged on the lower side face of the bearing top beam, a clamping unit used for clamping workpieces is arranged at the telescopic lower end of the telescopic device, and a first driving unit used for driving the telescopic device to move is arranged at one end of the bearing top beam. According to the magnetic powder inspection device, the application range of the whole device is widened, and the inspection efficiency of the magnetic powder inspection device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece transfer technical field, concretely is a workpiece transfer device for magnetic particle flaw detection. BACKGROUND

[0002] The magnetic particle flaw detection detection is through the ferromagnetic material workpiece is magnetized, due to the existence of discontinuity, make the workpiece surface magnetic force line partial distortion and produce magnetic field, adsorb the magnetic powder that is applied on the workpiece surface, form the detection mechanism that the naked eye can see the magnetic mark under the suitable illumination, when carrying out the magnetic particle flaw detection to the workpiece, need to use workpiece transfer device, workpiece transfer device is used for conveying and transferring the workpiece.

[0003] Through the retrieval, such as patent publication No. CN214826977U's patent discloses a workpiece conveying device for magnetic particle flaw detection, including fixed bolster, the inside of fixed bolster is provided with lifting plate, the below of lifting plate and close to both sides is provided with fixed plate, the side wall of fixed plate is fixedly connected with telescopic pneumatic cylinder, the movable end of telescopic pneumatic cylinder is fixedly connected with movable straight rod, the lower surface of lifting plate is fixedly connected with tail plate, the surface of tail plate is fixedly connected with electric push rod, the movable end of electric push rod is fixedly connected with traction rod, the top of fixed bolster is fixedly connected with transmission motor, the output end of transmission motor is fixedly connected with screw rod.The utility model, realized the automatic feeding of conveying device, greatly reduced the labor of artificial repeated handling feeding, further improved the efficiency of production.

[0004] The above-mentioned patent has obvious beneficial effects, but there are still the following deficiencies in practical operation:

[0005] In the above-mentioned comparative document, the workpiece is clamped by the fixed clamping plate, and the clamped workpiece is transferred to the conveying belt for transfer. However, in reality, there are many types of workpieces that need to be detected by the magnetic particle flaw detector. The above-mentioned comparative document can only transport and convey workpieces that can be stably placed on the conveying belt. When cylindrical workpieces are placed on the conveying belt in the above-mentioned comparative document, the cylindrical workpieces may roll, which may cause displacement of the workpieces on the conveying belt during transfer, resulting in positional deviation during subsequent magnetic particle flaw detection. Manual adjustment of the workpieces is required, which reduces the efficiency of the magnetic particle flaw detector during detection. Therefore, there is an urgent need to improve the workpiece transfer device for magnetic particle flaw detection to overcome the deficiencies of the prior art. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides a workpiece transfer device for magnetic particle flaw detection, which improves the application range of the overall device and improves the efficiency of the magnetic particle flaw detection device during detection.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A work piece transfer device for magnetic particle flaw detection, two groups of transfer units are arranged on both sides of the magnetic particle flaw detector body, each group of transfer units includes four fixed plates, transmission wheels are rotatably connected between two fixed plates, transmission chains are sleeved between the side surfaces of the two transmission wheels, a transmission drive motor for driving the transmission wheels to rotate is fixedly installed on one side of the fixed plate, a plurality of V-shaped placing racks are fixedly installed on the side surface of the transmission chain, a load top beam is arranged between the two groups of transfer units and is installed on the magnetic particle flaw detector body, both ends of the load top beam extend above the two groups of transfer units, a telescopic device with telescopic effect is arranged on the lower side of the load top beam, a clamping unit for clamping work pieces is arranged on the lower end of the telescopic device, a first drive unit for driving the telescopic device to move is arranged at one end of the load top beam, a second drive unit for driving the two transmission chains to move towards or away from each other is arranged below the two groups of transfer units, and an alignment unit for aligning work pieces is arranged on one side of one transfer unit.

[0008] Preferably, the clamping unit comprises a moving seat fixedly installed on the lower end of the telescopic device, a first drive motor is fixedly installed at one end of the moving seat, two symmetrical first sliding blocks are slidably connected to the lower side of the moving seat, a clamping rack for clamping work pieces is arranged on the lower side of the first sliding block, a first sliding groove adapted to the first sliding block is formed in the lower side of the moving seat, and a first drive screw with one end fixedly installed on the output end of the first drive motor is rotatably connected in the first sliding groove, and the first drive screw drives the two first sliding blocks to move towards or away from each other when rotating.

[0009] Preferably, the first drive unit comprises a second drive motor fixedly installed at one end of the load top beam, a second sliding block is fixedly installed on the upper end of the telescopic device, a second sliding groove adapted to the second sliding block is formed in the lower side of the load top beam, and a second adjusting screw with one end fixedly installed on the output end of the second drive motor is rotatably connected in the second sliding groove, and the second adjusting screw penetrates through the second sliding block and is threadedly connected with the second sliding block.

[0010] Preferably, the second drive unit comprises two first load bottom plates arranged below the transfer unit, a plurality of support racks for supporting the fixed plates are arranged above the first load bottom plate, third sliding blocks are fixedly installed on the lower part of the support racks, a third sliding groove adapted to the third sliding block is formed in the upper side of the first load bottom plate, a third drive screw penetrating through the third sliding block and threadedly connected with the third sliding block is rotatably connected in the third sliding groove, and a third drive motor for driving the third drive screw to rotate is fixedly installed on one side of the first load bottom plate.

[0011] Preferably, the alignment unit comprises a second bearing base arranged on the feeding side of the magnetic particle flaw detector body, two alignment plates are arranged on the two sides of the transfer unit on the second bearing base, a fourth sliding block is fixedly installed at the lower end of the alignment plate, a fourth sliding groove is formed on the upper side of the second bearing base and matched with the fourth sliding block, a fourth drive screw is rotatably connected in the fourth sliding groove and threadedly connected with the fourth sliding block, and a fourth drive motor is fixedly installed on one side of the second bearing base and used for driving the fourth drive screw to rotate.

[0012] Preferably, the insertion block is fixedly installed on the upper part of the clamping frame, the insertion groove is formed on the lower part of the first sliding block and matched with the insertion block, and the mounting bolt is arranged on the lower part of the first sliding block and threadedly connected with the side surface of the insertion block.

[0013] Preferably, the lower part of the clamping frame is in an arc shape, and the elastic sheet with elasticity is arranged in the arc shape of the lower part of the clamping frame.

[0014] In view of the deficiencies of the prior art, the utility model provides a workpiece transfer device for magnetic particle flaw detection, overcomes the deficiencies of the prior art, and has the beneficial effects that:

[0015] In the utility model, the cylindrical workpiece is placed between the two placing racks on the right side of the magnetic particle flaw detector body, the placing racks are intermittently transferred by the conveying drive motor, the workpiece is clamped by the clamping unit, the workpiece is transferred into the magnetic particle flaw detector body by the first drive unit for flaw detection, and the end part of the workpiece can be aligned by the alignment unit, so that the application range of the overall device is improved, and the efficiency of the magnetic particle flaw detection device during flaw detection is improved.

[0016] In the utility model, the third drive motor can drive the two supporting frames to move towards each other or away from each other, the spacing between the two transmission chains is adjusted, workpieces of different lengths can be transferred, and the application range of the overall device is improved.

[0017] In the utility model, the insertion block on the upper part of the clamping frame is inserted into the insertion groove, and the mounting bolt is arranged to penetrate through the first sliding block and threadedly connected with the side surface of the insertion groove, so that the clamping frame can be conveniently installed or replaced later, workpieces of different sizes can be clamped, and the application range of the overall device is improved.

[0018] Other features and advantages of the utility model will be set forth in the subsequent description, and some of them will become apparent from the description, or will be understood from the practice of the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structure indicated in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0020] Figure 1 It is a structural schematic view of the present application after overall installation.

[0021] Figure 2 It is a structural schematic view of a group of transfer units and alignment units in the present application.

[0022] Figure 3 It is a structural schematic view of a transmission chain and a placing rack in the present application.

[0023] Figure 4 It is a structural schematic view of a bearing top beam and a moving seat in the present application.

[0024] Figure 5 It is Figure 4 It is an enlarged structural schematic view of position A in the present application.

[0025] In the figure: 1, transfer unit; 2, magnetic particle flaw detector body; 3, fixed plate; 4, transmission wheel; 5, transmission chain; 6, transmission driving motor; 7, placing rack; 8, bearing top beam; 9, telescopic device; 10, clamping unit; 11, first driving unit; 12, second driving unit; 13, alignment unit; 14, moving seat; 15, first driving motor; 16, first sliding block; 17, clamping rack; 18, first sliding groove; 19, first driving screw; 20, second driving motor; 21, second sliding block; 22, second sliding groove; 23, second adjusting screw; 24, first bearing bottom plate; 25, third driving motor; 26, support rack; 27, third sliding block; 28, third sliding groove; 29, third driving screw; 30, alignment plate; 31, second bearing base; 32, fourth sliding block; 33, fourth driving screw; 34, fourth sliding groove; 35, fourth driving motor; 36, plug-in block; 37, plug-in groove; 38, mounting bolt; 39, elastic sheet. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-5The utility model provides a kind of workpiece transfer device for magnetic particle testing, including two groups of transfer unit 1 located in the both sides of magnetic particle testing machine body 2, each group of transfer unit 1 includes four fixed plates 3, rotatably connected with transmission wheel 4 between two fixed plates 3, transmission chain 5 is sleeved between the side surface of two transmission wheels 4, one side of fixed plate 3 is fixedly installed with the transmission drive motor 6 for driving transmission wheel 4 rotation, transmission chain 5 side surface is fixedly installed with a plurality of V-shaped placing rack 7, two groups of transfer unit 1 between being equipped with the load-bearing top beam 8 installed on magnetic particle testing machine body 2, load-bearing top beam 8 both ends extend above two groups of transfer unit 1, load-bearing top beam 8 lower side is equipped with telescopic device 9 with telescopic effect, telescopic device 9 telescopic lower end is equipped with the clamping unit 10 for clamping workpiece, load-bearing top beam 8 one end is equipped with the first drive unit 11 for driving telescopic device 9 moves, two groups of transfer unit 1 below are equipped with the second drive unit 12 for driving two transmission chains 5 move towards or away from each other, one transfer unit 1 side is equipped with the alignment unit 13 for aligning workpiece.

[0028] Specifically, when the cylindrical workpiece needs to be subjected to magnetic particle testing, the cylindrical workpiece is placed between the two placing racks 7 on the right side of the magnetic particle testing machine body 2, the transmission drive motor 6 works intermittently, the output ends of the two transmission drive motors 6 synchronously drive the transmission wheels 4 to rotate, the transmission wheels 4 drive the transmission chain 5 to move when rotating, the transmission chain 5 drives the placing rack 7 to move towards the magnetic particle testing machine body 2 when moving, the transmission wheel 4 and the transmission chain 5 are respectively a sprocket and a chain, which drive the workpiece to move towards the magnetic particle testing machine body 2, when the workpiece is close to the magnetic particle testing machine body 2, the alignment unit 13 is started to align the two ends of the circular workpiece placed on the two placing racks 7, and the first drive unit 11 drives the telescopic device 9 to move above the workpiece closest to the magnetic particle testing machine body 2, the telescopic device 9 is started, the telescopic lower end of the telescopic device 9 drives the clamping unit 10 to move downwards, the clamping unit 10 clamps the workpiece, and the first drive unit 11 reversely moves to clamp the workpiece into the magnetic particle testing machine body 2, an external magnetic field magnetizes the ferromagnetic material, magnetic powder is scattered on the surface of the magnetized workpiece, the magnetic powder is attracted by the leakage magnetic field, and a magnetic powder accumulation (magnetic mark) similar to the shape of the defect is formed, the magnetic mark is visible to the naked eye under suitable lighting conditions, so that the position, shape and size of the defect can be displayed, the cylindrical workpiece is subjected to magnetic particle testing, and after completion, the clamping unit 10 and the first drive unit 11 clamp the workpiece after testing to the placing rack 7 on the left side of the magnetic particle testing machine body 2 and transport it to the next position for storage, realizing the effect of stable transfer and magnetic particle testing of the cylindrical workpiece.

[0029] As a technical optimization scheme of the utility model, the clamping unit 10 includes the mobile seat 14 fixedly installed at the telescopic lower end of the telescopic device 9, one end of the mobile seat 14 is fixedly installed with the first drive motor 15, the lower side of the mobile seat 14 is slidably connected with two symmetrical first sliding blocks 16, the lower side of the first sliding block 16 is equipped with the clamping frame 17 for clamping workpiece, the lower side of the mobile seat 14 is equipped with the first sliding groove 18 matched with the first sliding block 16, the first sliding groove 18 is rotatably connected with the first drive screw 19 fixedly installed at one end of the output end of the first drive motor 15, the first drive screw 19 drives the two first sliding blocks 16 to move towards or away from each other when rotating.

[0030] Specifically, the first drive motor 15 is started, the output end of the first drive motor 15 drives the first drive screw 19 to rotate, the screw teeth on the inner side of the first sliding groove 18 are symmetrical and reverse, the first drive screw 19 drives the two first sliding blocks 16 to move towards each other when rotating, the first sliding block 16 drives the clamping frame 17 to move, the effect that the clamping frame 17 clamps the workpiece is realized, and workpieces of different sizes can be clamped, thereby improving the application range of the overall device.

[0031] As a technical optimization scheme of the utility model, the first drive unit 11 includes the second drive motor 20 fixedly installed at one end of the bearing top beam 8, the telescopic device 9 is fixedly installed with the second sliding block 21 at the upper end, the lower side of the bearing top beam 8 is equipped with the second sliding groove 22 matched with the second sliding block 21, the second sliding groove 22 is rotatably connected with the second adjusting screw 23 fixedly installed at one end of the output end of the second drive motor 20, the second adjusting screw 23 penetrates the second sliding block 21 and is screw-connected with it.

[0032] Specifically, the second drive motor 20 is started, the output end of the second drive motor 20 drives the second adjusting screw 23 to rotate, the second adjusting screw 23 drives the second sliding block 21 to move in the second sliding groove 22 when rotating, the second sliding block 21 drives the telescopic device 9 to move along the length direction of the bearing top beam 8, the effect that the workpiece is transferred is realized.

[0033] As a technical optimization scheme of the utility model, the second drive unit 12 includes the first bearing bottom plate 24 arranged below the transfer unit 1, the first bearing bottom plate 24 is equipped with a plurality of support frames 26 for supporting the fixed plate 3, the support frame 26 is fixedly installed with the third sliding block 27 at the lower part, the upper side of the first bearing bottom plate 24 is equipped with the third sliding groove 28 matched with the third sliding block 27, the third sliding groove 28 is rotatably connected with the third drive screw 29 penetrating the third sliding block 27 and screw-connected with it, the first bearing bottom plate 24 is fixedly installed with the third drive motor 25 for driving the third drive screw 29 to rotate at one side.

[0034] Specifically, the third driving motor 25 is started, the output end of the third driving motor 25 drives the third driving screw 29 to rotate, the threads on the inner side of the third driving screw 29 are symmetrical and reverse, when the third driving screw 29 rotates, the two third sliding blocks 27 move towards or away from each other in the third sliding groove 28, the third sliding block 27 drives the support frame 26 to move, and the support frame 26 drives the two transmission chains 5 to move, thereby adjusting the distance between the two transmission chains 5, and the effect of transferring cylindrical workpieces of different lengths is achieved, and the application range of the whole device is improved.

[0035] As a technical optimization scheme of the utility model, the alignment unit 13 includes a second bearing base 31 arranged on the feeding side of the magnetic particle flaw detector body 2, two alignment plates 30 are arranged on the two sides of the transfer unit 1, the fourth sliding block 32 is fixedly installed at the lower end of the alignment plate 30, the fourth sliding groove 34 matched with the fourth sliding block 32 is arranged on the upper side of the second bearing base 31, the fourth driving screw 33 penetrating through the fourth sliding block 32 and being threadedly connected with the fourth sliding block 32 is rotatably connected in the fourth sliding groove 34, and the fourth driving motor 35 for driving the fourth driving screw 33 to rotate is fixedly installed on one side of the second bearing base 31.

[0036] Specifically, when the workpiece is transferred to the two alignment plates 30, the transmission chain 5 stops transmission, at this time, the fourth driving motor 35 is started, the output end of the fourth driving motor 35 drives the fourth driving screw 33 to rotate, the threads on the inner side of the fourth driving screw 33 are symmetrical and reverse, when the fourth driving screw 33 rotates, the two fourth sliding blocks 32 move towards each other in the fourth sliding groove 34, the fourth sliding block 32 drives the alignment plate 30 to move, and the two alignment plates 30 align the end portions of the workpieces placed on the two placing frames 7, thereby facilitating the subsequent placement of the workpieces into the magnetic particle flaw detector body 2 for flaw detection.

[0037] As a technical optimization scheme of the utility model, the clamping frame 17 is fixedly installed on the upper part of the first sliding block 16, the insertion groove 37 matched with the insertion block 36 is arranged on the lower part of the first sliding block 16, and the mounting bolt 38 threadedly connected with the side surface of the insertion block 36 at one end is arranged on the lower part of the first sliding block 16.

[0038] Specifically, when different workpieces need to be clamped, the clamping frame 17 with an adaptive shape is installed on the first sliding block 16, the insertion block 36 on the upper part of the clamping frame 17 is inserted into the insertion groove 37 during installation, and the mounting bolt 38 is inserted into the first sliding block 16 at one end and is threadedly connected with the side surface of the insertion groove 37 at the other end, thereby facilitating the installation or replacement of the clamping frame 17.

[0039] As a technical optimization scheme of the utility model, the lower part of the clamping frame 17 is arc-shaped, the arc-shaped lower part of the clamping frame 17 is internally provided with an elastic sheet 39 with elasticity, the elastic sheet 39 with elasticity can clamp workpieces of different sizes, and the two ends of the elastic sheet 39 can be fixedly installed in the arc-shaped interior of the clamping frame 17 through fasteners.

[0040] Among them, all the electrical appliances in the above can be purchased in the market, which belongs to mature technology and has been fully disclosed, so the specification is not repeated, all the electrical appliances in the above are provided with power connection lines, and they are all connected with the external main controller and 220V phase voltage (or 380V line voltage) through the power lines, and the main controller can be a conventional known device such as a computer to play a control role.

[0041] Finally, it should be pointed out that: in the description of the utility model, it should be pointed out that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0042] In the description of the utility model, it should also be pointed out that, unless otherwise specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A workpiece transfer device for magnetic particle inspection, comprising two groups of transfer units (1) located on both sides of a magnetic particle inspection machine body (2), characterized in that, Each group of transfer units (1) includes four fixed plates (3), two fixed plates (3) are rotatably connected with transmission wheels (4), two transmission wheels (4) are sleeved with transmission chains (5) between the side surfaces of the two transmission wheels (4), one side of the fixed plate (3) is fixedly installed with a conveying drive motor (6) for driving the transmission wheel (4) to rotate, the side surface of the transmission chain (5) is fixedly installed with a plurality of V-shaped placing racks (7), two groups of transfer units (1) are provided between the magnetic particle flaw detector body (2) and the load-bearing top beam (8) is installed on the load-bearing top beam (8), both ends of the load-bearing top beam (8) extend above the two groups of transfer units (1), the lower side of the load-bearing top beam (8) is provided with a telescopic device (9) having a telescopic effect, the telescopic lower end of the telescopic device (9) is provided with a clamping unit (10) for clamping the workpiece, one end of the load-bearing top beam (8) is provided with a first drive unit (11) for driving the telescopic device (9) to move, the lower side of the load-bearing top beam (8) is provided with a second drive unit (12) for driving the two transmission chains (5) to move towards or away from each other, and one side of the transfer unit (1) is provided with an alignment unit (13) for aligning the workpiece.

2. The workpiece transfer device for magnetic particle inspection according to claim 1, wherein The clamping unit (10) includes a moving seat (14) fixedly installed on the telescopic lower end of the telescopic device (9), a first drive motor (15) fixedly installed at one end of the moving seat (14), two symmetrical first sliding blocks (16) slidably connected to the lower side of the moving seat (14), a clamping rack (17) provided on the lower side of the first sliding block (16) for clamping the workpiece, a first sliding groove (18) provided on the lower side of the moving seat (14) and matched with the first sliding block (16), and a first drive screw (19) rotatably connected in the first sliding groove (18) and having one end fixedly installed with the output end of the first drive motor (15), the first drive screw (19) drives the two first sliding blocks (16) to move towards or away from each other when rotating.

3. The workpiece transfer device for magnetic particle inspection according to claim 1, wherein The first drive unit (11) includes a second drive motor (20) fixedly installed at one end of the load-bearing top beam (8), a second sliding block (21) fixedly installed on the upper end of the telescopic device (9), a second sliding groove (22) provided on the lower side of the load-bearing top beam (8) and matched with the second sliding block (21), and a second adjusting screw (23) rotatably connected in the second sliding groove (22) and having one end fixedly installed with the output end of the second drive motor (20), the second adjusting screw (23) penetrates the second sliding block (21) and is threadedly connected therewith.

4. The workpiece transfer device of claim 1, wherein: The second drive unit (12) includes two first bearing bottom plates (24) provided below the transfer unit (1), a plurality of support racks (26) provided above the first bearing bottom plate (24) and used for supporting the fixed plate (3), a third sliding block (27) fixedly installed on the lower part of the support rack (26), a third sliding groove (28) provided on the upper side of the first bearing bottom plate (24) and matched with the third sliding block (27), a third drive screw (29) rotatably connected in the third sliding groove (28) and penetrating the third sliding block (27) and threadedly connected therewith, and a third drive motor (25) fixedly installed on one side of the first bearing bottom plate (24) and used for driving the third drive screw (29) to rotate.

5. The workpiece transfer device of claim 1 wherein, The alignment unit (13) comprises a second bearing base (31) arranged on the feeding side of the magnetic particle flaw detector body (2), two alignment plates (30) are arranged on the two sides of the transfer unit (1) on the second bearing base (31), the lower end of the alignment plate (30) is fixedly installed with a fourth sliding block (32), the upper side of the second bearing base (31) is provided with a fourth sliding groove (34) matched with the fourth sliding block (32), the fourth sliding groove (34) is rotatably connected with a fourth drive screw (33) penetrating through the fourth sliding block (32) and being threadedly connected with the fourth sliding block (32), and the side of the second bearing base (31) is fixedly installed with a fourth drive motor (35) for driving the fourth drive screw (33) to rotate.

6. The workpiece transfer device for magnetic particle inspection of claim 2, wherein, The upper part of the clamping frame (17) is fixedly installed with a plug-in block (36), the lower part of the first sliding block (16) is provided with a plug-in groove (37) matched with the plug-in block (36), and the lower part of the first sliding block (16) is provided with a mounting bolt (38) threadedly connected with the side surface of the plug-in block (36) at one end.

7. The workpiece transfer device of claim 2 wherein, The lower part of the clamping frame (17) is in an arc shape, and the lower part of the clamping frame (17) is provided with an elastic sheet (39) having elasticity.

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