A solenoid valve seat conveyor for visual verification

Abstract

The present invention discloses a solenoid valve seat conveyor for visual verification in the field of conveyor technology, comprising a base and a conveyor belt; a guide plate for guiding the solenoid valve; a cross lever capable of intermittently releasing the solenoid valve; a clamp; a cross bar, both ends of the cross bar are fixedly provided with cross brackets, and the ends of the cross brackets are fixedly provided with flip gears; a guide rod, the guide rod is fixedly provided with a flip rack; a support frame, which is horizontally slidably arranged with the base, a visual verification component is installed on the top of the support frame, and a pin is slidably arranged on the bottom, and a limiting spring is installed between the support frame and the pin; a trigger rod is fixed with the pin; a limiting groove is alternately plugged with the pin; a linear drive mechanism for driving the horizontal movement of the cross bar; an intermittent spring is arranged between the support frame and the linear drive mechanism. In the present invention, the same set of clamps and visual verification components can be used to realize visual verification of the internal valve seat at different angles through different openings of the solenoid valve, thereby improving the accuracy of valve seat verification.

Description

Technical Field

[0001] The invention relates to the technical field of conveyors, in particular to a solenoid valve seat conveyor for visual verification. Background Art

[0002] Visual processing is widely used in industrial inspection because its speed and stability provide great guarantee for product quality. Its working principle is mainly to collect visual information of products through cameras, and then cooperate with the analysis system to determine whether the indicators such as burrs, appearance or size of products meet the predetermined values, so as to achieve the control of product quality.

[0003] Due to different usage scenarios, the assembly methods between the solenoid valve and the valve seat are roughly divided into assembled type and integrated type. The inspection of the integrated solenoid valve seat is much more difficult than that of the assembled valve seat. It is generally inspected by the naked eye. Workers are required to manually pick up the solenoid valve and flip it back and forth. During this period, the outer contour of the valve seat inside the solenoid valve is checked by naked eye. This verification method is not only inefficient, but also has a high error rate. Summary of the invention

[0004] The technical problem of the present invention is to provide a solenoid valve seat conveyor for visual verification, which can realize visual verification of the internal valve seat at different angles through different openings of the solenoid valve by using the same set of fixtures and visual verification components, thereby improving the accuracy of valve seat verification.

[0005] To achieve the above object, the present invention provides the following technical solution: a solenoid valve seat conveyor for visual verification, comprising a base and a conveyor belt,

[0006] The guide plate is fixed to the base and is in an "eight" shape, and is used for guiding the solenoid valve;

[0007] A cross lever is rotatably arranged with the base, used to intercept the solenoid valve and can release the solenoid valve intermittently;

[0008] A clamp, used for clamping the solenoid valve;

[0009] A cross bar is installed at the end of the clamp, and both ends of the cross bar are fixed with a cross bracket, and the ends of the cross bracket are fixed with a flip gear;

[0010] A guide rod is in contact with the rotating shaft of the flip gear, and the guide rod is fixed with flip racks arranged in a linear array;

[0011] A support frame is horizontally slidably arranged with the base, a visual inspection component is installed on the top of the support frame, a latch is slidably arranged on the bottom, and a limit spring is installed between the support frame and the latch;

[0012] A trigger rod is located above the flip gear and is fixed to the latch;

[0013] Limiting grooves are provided on the inner side of the base, the limiting grooves are arranged in a linear array and are alternately plugged with the latches;

[0014] A linear drive mechanism, used for driving the crossbar to move horizontally;

[0015] The intermittent spring is arranged between the support frame and the linear drive mechanism.

[0016] As a further solution of the present invention, the support frame is rotatably provided with a deflection shaft fixed to the visual verification component, the deflection shaft is fixed with an upper deflection frame, the end of the linear drive mechanism is provided with a lower deflection frame for driving the upper deflection frame to rotate, the visual verification component is tilted, and a torsion spring is provided between the deflection shaft and the support frame.

[0017] As a further solution of the present invention, the linear drive mechanism comprises:

[0018] The driving plate is slidably arranged with the base, and is slidably arranged with the cross bar through the vertical sliding groove;

[0019] A direction-adjusting plate is used for reversing the driving plate and is vertically slidably arranged with the driving plate;

[0020] A driving gear and a driving gear column, wherein the driving gear is meshed with the driving gear column, and the driving gear column is fixed to the direction adjustment plate;

[0021] A driving motor, wherein the output shaft of the driving motor is coaxially fixed with the driving gear;

[0022] Limiting ring, used to limit the driving gear.

[0023] As a further solution of the present invention, the clamp comprises:

[0024] The housing is fixed with the crossbar;

[0025] The clamping claw is rotatably arranged with the housing via a rotating rod;

[0026] A telescopic rod is installed in the housing, and a clamping rack is installed at the telescopic end of the telescopic rod;

[0027] The clamping gear meshes with the clamping rack and is used to drive the rotating rod to rotate.

[0028] As a further solution of the present invention, the cross lever is provided with a material shifting gear which is rotated by a ratchet mechanism, the material shifting gear is meshed with a material shifting rack, the ruler teeth of the material shifting gear and the material shifting rack are both right-angle ruler teeth, the material shifting rack is fixed with a driven cylinder, the driven cylinder is connected with a driving cylinder, and the telescopic end of the driving cylinder faces the driving plate.

[0029] As a further solution of the present invention, the guide rod is fixed with limit rods arranged in a linear array, and the limit rods are all located above the flip rack.

[0030] As a further solution of the present invention, a baffle is arranged above the limiting groove and is rotatably arranged with the base, and the baffle is arranged at an angle.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] 1. In the present invention, the latch is plugged into the limit groove to stop the support frame and the visual verification component from moving, the solenoid valve driven by the fixture moves relative to the visual verification component, the solenoid valve opening passes through the bottom of the visual verification component, and the visual verification component verifies the valve seat inside the solenoid valve through the solenoid valve opening, which is used to verify the shape and state of the solenoid valve and the valve seat. The visual verification has higher accuracy and higher verification efficiency than manual verification. In addition, the flip gear and the flip rack at the bottom cooperate to drive the cross bracket and the cross bar to flip, and the cross bar rotates the opening of the solenoid valve on the side wall upward to realize the flipping of the solenoid valve, which is convenient for the visual verification component to perform visual verification of the internal valve seat at different angles through different openings of the solenoid valve, thereby improving the accuracy of valve seat verification.

[0033] 2. In the present invention, when the cross bracket flips, the top flip gear pushes up the trigger rod to separate the pin from the limit slot, and the intermittent spring drives the visual verification component to cross the solenoid valve through the support frame. When the pin is plugged into another limit slot, the visual verification component stops again, and the side wall opening of the solenoid valve passes through the bottom of the visual verification component. By moving and positioning the visual verification component, a single visual verification component can perform visual verification of the internal valve seat at different angles for different openings of the solenoid valve, thereby reducing the cost of inspecting the solenoid valve seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0035] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0036] Figure 2 It is a schematic diagram of the structure of the cross lever and its connection relationship of the present invention;

[0037] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0038] Figure 4 For the present invention Figure 2 The enlarged structural diagram at B in the middle;

[0039] Figure 5 It is a schematic diagram of the cross bar section and its connection relationship structure of the present invention;

[0040] Figure 6 For the present invention Figure 5 The enlarged structural diagram at C in the middle;

[0041] Figure 7 This is a schematic diagram of the cross bar and its connection relationship structure of the present invention;

[0042] Figure 8 This is a schematic diagram of the support frame and its connection relationship structure of the present invention;

[0043] Fig. 9 For the present invention Figure 8 The enlarged structural diagram at D in the middle;

[0044] Fig.10 This is a schematic diagram of the support frame and its connection relationship structure of the present invention;

[0045] Fig.11 It is a schematic diagram of the structure of the clamp of the present invention and its connection relationship;

[0046] Fig.12 For the present invention Fig.11 The enlarged structural diagram at E in the middle;

[0047] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0048] 1. Guide plate; 11. Cross lever; 12. Material shifting gear; 13. Material shifting rack; 14. Slave cylinder; 15. Driving cylinder; 2. Clamp; 21. Housing; 22. Clamping claw; 23. Telescopic rod; 24. Clamping rack; 25. Clamping gear; 26. Rotating rod; 31. Cross bar; 32. Cross bracket; 33. Flipping gear; 34. Guide rod; 35. Flipping rack; 36. Limit rod; 4. Support frame; 41. Visual verification component; 42. Latch; 43. Limit spring; 44. Trigger rod; 45. Deflection shaft; 46. Upper deflection frame; 47. Lower deflection frame; 48. Intermittent spring; 51. Drive plate; 52. Vertical slide groove; 53. Adjustment plate; 54. Drive gear; 55. Drive gear column; 56. Drive motor; 57. Limit ring; 61. Limit groove; 62. Baffle. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] See also Figure 1-12 The present invention provides a technical solution: a solenoid valve seat conveyor for visual verification, comprising a base and a conveyor belt,

[0051] The guide plate 1 is fixed to the base and is in an "eight" shape, and is used for guiding the solenoid valve;

[0052] A cross lever 11 is rotatably arranged with the base, and is used to intercept the solenoid valve and can intermittently release the solenoid valve;

[0053] Clamp 2, used for clamping the solenoid valve;

[0054] A cross bar 31 is installed at the end of the fixture 2. Both ends of the cross bar 31 are fixed with a cross bracket 32. The ends of the cross bracket 32 ​​are fixed with a flip gear 33.

[0055] The guide rod 34 is in contact with the rotating shaft of the flip gear 33. The guide rod 34 is fixed with a flip rack 35 arranged in a linear array. The two supporting points at the bottom of the cross bracket 32 ​​can move along the guide rod 34, and there is a distance between the two supporting points of the cross bracket 32, so that the cross bar 31 is more stable when moving, which is conducive to the calibration of the solenoid valve;

[0056] The support frame 4 is horizontally slidably arranged with the base, a visual inspection component 41 is installed on the top of the support frame 4, a latch 42 is slidably arranged on the bottom, and a limit spring 43 is installed between the support frame 4 and the latch 42;

[0057] The trigger rod 44 is located above the flip gear 33 and is fixed to the latch 42;

[0058] The limiting grooves 61 are formed on the inner side of the base, and the limiting grooves 61 are arranged in a linear array and are alternately plugged with the latches 42;

[0059] A linear drive mechanism, used to drive the crossbar 31 to move horizontally;

[0060] An intermittent spring 48 is provided between the support frame 4 and the linear drive mechanism;

[0061] Specifically, the solenoid valve is placed vertically on the conveyor belt, the conveyor belt continuously conveys the solenoid valve, and the guide plate 1 guides the solenoid valve so that the side opening of the solenoid valve is uniformly oriented toward the placement direction of the solenoid valve, which is convenient for clamping by the clamp 2;

[0062] The cross lever 11 intermittently releases the solenoid valve, the fixture 2 clamps the released solenoid valve, the linear drive mechanism drives the cross bar 31 and the support frame 4 to move, the support frame 4 drives the visual verification component 41 to move, when the latch 42 moves to above the limit groove 61, the limit spring 43 inserts the latch 42 into the limit groove 61, the intermittent spring 48 is stretched, the support frame 4 and the visual verification component 41 stop moving, at the same time, the cross bar 31 drives the solenoid valve to move through the fixture 2, the top opening of the solenoid valve passes through the bottom of the visual verification component 41, and the visual verification component 41 verifies the valve seat inside the solenoid valve through the top opening of the solenoid valve;

[0063] The cross bar 31 continues to move, and when one of the flip gears 33 contacts the flip rack 35, the flip gear 33 in contact with the flip rack 35 rotates, and the cross bracket 32 ​​drives the cross bar 31 to move accordingly. The cross bar 31 drives the solenoid valve to rotate through the fixture 2 until the cross bracket 32 ​​rotates 90° and the side opening of the solenoid valve faces upward, completing the flipping of the solenoid valve;

[0064] When the cross bracket 32 ​​rotates, the flip gear 33 at the top contacts upward and drives the trigger rod 44 to rise, and the trigger rod 44 pulls the latch 42 out of the limit groove 61, and the intermittent spring 48 contracts, and the support frame 4 drives the visual inspection component 41 to pass over the solenoid valve; at this time, the visual inspection of the internal valve seat is completed through the opening at one end of the solenoid valve;

[0065] When the latch 42 is plugged into the limit groove 61 at the middle position, the visual verification component 41 stops, and the cross bar 31 drives the solenoid valve to pass through the bottom of the visual verification component 41 again through the fixture 2, and the visual verification component 41 verifies the valve seat inside the solenoid valve through the opening on the side wall of the solenoid valve; finally, the top flip gear 33 pulls the latch 42 out of the limit groove 61 again, so that the visual verification component 41 passes over the solenoid valve again, and the bottom flip gear 33 and the flip rack 35 rotate the end opening on the other side of the solenoid valve to the top, and when the latch 42 is plugged into the limit groove 61 at the end position, the visual verification component 41 stops, and the cross bar 31 drives the solenoid valve to pass through the bottom of the visual verification component 41 again through the fixture 2, and the visual verification component 41 verifies the valve seat inside the solenoid valve through the opening on the other side of the solenoid valve; the valve seat inside the solenoid valve can be verified at different angles without manual participation, which reduces labor intensity and increases verification accuracy;

[0066] In summary, the cross bar 31 drives the support frame 4 and the fixture 2 to move, the pin 42 is plugged into the limit groove 61, so that the support frame 4 and the visual verification component 41 stop moving, and the solenoid valve driven by the fixture 2 moves relative to the visual verification component 41, and the top opening of the solenoid valve passes through the bottom of the visual verification component 41. The visual verification component 41 verifies the valve seat inside the solenoid valve through the top opening of the solenoid valve, which is used to verify the shape and state of the solenoid valve and the valve seat. The visual verification has a higher accuracy rate and a higher verification efficiency than the manual verification. The flip gear 33 at the bottom and the flip rack 35 can drive the cross bracket 32 ​​and the cross bar 31 to flip, and the cross bar 31 will turn the side wall opening of the solenoid valve upward. At the same time, the top flip gear 33 pushes the trigger rod 44 to separate the pin 42 from the limit groove 61. The intermittent spring 48 drives the visual verification component 41 to cross the solenoid valve through the support frame 4. When the pin 42 is plugged into another limit groove 61, the visual verification component 41 stops again, and the side wall opening of the solenoid valve passes through the bottom of the visual verification component 41, so that the valve seat inside the solenoid valve can be verified at different angles, thereby increasing the accuracy of the verification.

[0067] As a further solution of the present invention, the support frame 4 is rotatably provided with a deflection shaft 45 fixed with the visual verification component 41, the deflection shaft 45 is fixed with an upper deflection frame 46, and the end of the linear drive mechanism is provided with a lower deflection frame 47 for driving the upper deflection frame 46 to rotate, the visual verification component 41 is tilted, and a torsion spring is provided between the deflection shaft 45 and the support frame 4;

[0068] For details, see Figure 7 and Figure 8 The obliquely arranged visual inspection component 41 can inspect the solenoid valve seat that is not below the solenoid valve opening, thereby increasing the inspection area;

[0069] The linear drive mechanism drives the cross bar 31 to move, and at the same time, the lower deflection frame 47 moves accordingly. After the visual verification component 41 stops moving, the lower deflection frame 47 contacts and pushes the bottom of the upper deflection frame 46 to move, and the lower deflection frame 47 drives the visual verification component 41 to rotate. At this time, the visual verification component 41 rotates around the axis of the deflection shaft 45, and the fixture 2 drives the solenoid valve and the valve seat to move horizontally. The solenoid valve is always in the verification area of ​​the visual verification component 41, which can greatly increase the verification position of the visual verification component 41, thereby improving the accuracy of the valve seat verification and further reducing the error rate of the valve seat verification.

[0070] As a further solution of the present invention, the linear drive mechanism comprises:

[0071] The driving plate 51 is slidably arranged with the base, and is slidably arranged with the cross bar 31 through the vertical sliding groove 52;

[0072] The direction-adjusting plate 53 is used for reversing the driving plate 51 and is vertically slidably arranged with the driving plate 51;

[0073] A driving gear 54 and a driving gear column 55, wherein the driving gear 54 is meshed with the driving gear column 55, and the driving gear column 55 is fixed to the adjustment plate 53;

[0074] A driving motor 56, wherein the output shaft of the driving motor 56 is coaxially fixed with the driving gear 54;

[0075] A limiting ring 57, used for limiting the driving gear 54;

[0076] For details, see Figure 8 and Fig. 9 The driving motor 56 drives the coaxially arranged driving gear 54 to rotate, and the driving gear 54 drives the adjustment plate 53 to move through the driving gear column 55, and the adjustment plate 53 drives the driving plate 51 to move. When the driving gear 54 is engaged with the driving gear column 55 at the end, the rotating shaft of the driving gear 54 contacts the limiting ring 57, and the driving gear 54 drives the adjustment plate 53 to move upward (or downward) through the limiting ring 57 and the driving gear column 55, and the driving gear column 55 moves from the bottom of the driving gear 54 to the top, and the driving gear 54 drives the adjustment plate 53 to move in the opposite direction through the driving gear column 55, thereby realizing the reciprocating movement of the driving plate 51, and then realizing the reciprocating movement of the clamp 2. The structure of this linear drive mechanism is simple, convenient for maintenance, and further reduces the calibration cost.

[0077] As a further solution of the present invention, the clamp 2 comprises:

[0078] The housing 21 is fixed to the crossbar 31;

[0079] The clamping jaw 22 is rotatably arranged with the housing 21 via a rotating rod 26;

[0080] A telescopic rod 23 is installed in the housing 21, and a clamping rack 24 is installed at the telescopic end of the telescopic rod 23;

[0081] A clamping gear 25 meshes with the clamping rack 24 and is used to drive the rotating rod 26 to rotate;

[0082] For details, see Fig.11 and Fig.12 The telescopic rod 23 drives the clamping rack 24 to move, and the clamping rack 24 drives the clamping gear 25 meshing with it to rotate in the opposite direction. The clamping gear 25 drives the rotating rod 26 to drive the clamping claw 22 to move in the opposite direction. When the clamping claws 22 are close to each other, they can clamp the solenoid valve. Otherwise, the solenoid valve is released.

[0083] As a further solution of the present invention, the cross lever 11 is provided with a material shifting gear 12 through a ratchet mechanism, the material shifting gear 12 is meshed with a material shifting rack 13, the tooth sizes of the material shifting gear 12 and the material shifting rack 13 are both right-angle tooth sizes, the material shifting rack 13 is fixed with a slave cylinder 14, the slave cylinder 14 is connected with a driving cylinder 15, and the telescopic end of the driving cylinder 15 faces the driving plate 51;

[0084] For details, see Figure 2 , Figure 3 and Figure 4 When the driving plate 51 moves toward the cross lever 11, the driving plate 51 contacts and squeezes the telescopic end of the driving cylinder 15, so that the telescopic end of the driven cylinder 14 drives the material-pickup rack 13 to move toward the material-pickup gear 12, and the material-pickup rack 13 drives the material-pickup gear 12 to rotate, and the material-pickup gear 12 drives the cross lever 11 to rotate, and the cross lever 11 releases the solenoid valve in contact with it and limits the next solenoid valve. The clamp 2 clamps the solenoid valve and then withdraws.

[0085] When the driving plate 51 moves in the reverse direction and disengages from the driving cylinder 15, the telescopic end of the driven cylinder 14 drives the material-moving rack 13 to move in the reverse direction under the action of the pressure difference. The material-moving rack 13 is deformed under the action of the right-angle ruler teeth and the ratchet mechanism, and the material-moving gear 12 and the cross lever 11 do not rotate, thereby releasing the solenoid valve in contact with the cross lever 11, preventing the solenoid valve from continuing to move and affecting the clamping of the fixture 2.

[0086] As a further solution of the present invention, the guide rod 34 is fixed with limit rods 36 arranged in a linear array, and the limit rods 36 are all located above the flip rack 35;

[0087] For details, see Figure 7 and Fig.10 The limiting rod 36 can limit the rotating shaft of the flip gear 33 meshing with the flip rack 35 to prevent the cross bracket 32 ​​from tilting and improve the stability of the cross bracket 32 ​​when rotating.

[0088] As a further solution of the present invention, a baffle 62 is arranged above the limiting groove 61 and is rotatably arranged with the base, and the baffle 62 is arranged obliquely;

[0089] For details, see Figure 6 The baffle 62 can limit the latch 42 in one direction. When the clamp 2 releases the solenoid valve to return, the baffle 62 can block the latch 42 to prevent the latch 42 from entering the limiting groove 61, thereby reducing the number of times the visual verification component 41 shakes and extending the service life of the visual verification component 41.

Claims

1. A solenoid valve seat conveyor for visual inspection, comprising a base and a conveyor belt, characterized in that: The guide plate (1) is fixed to the base and is in an "eight" shape, and is used for guiding the solenoid valve; A cross lever (11) is rotatably arranged with the base, used to intercept the solenoid valve and can intermittently release the solenoid valve; A clamp (2) for clamping the solenoid valve; A cross bar (31) is installed at the end of the clamp (2), and cross brackets (32) are fixedly provided at both ends of the cross bar (31), and flip gears (33) are fixedly provided at the ends of the cross bracket (32); A guide rod (34) is in contact with the rotating shaft of the flip gear (33), and the guide rod (34) is fixed with flip racks (35) arranged in a linear array; A support frame (4) is horizontally slidably arranged with the base, a visual inspection component (41) is installed on the top of the support frame (4), a latch (42) is slidably arranged on the bottom, and a limit spring (43) is installed between the support frame (4) and the latch (42); A trigger rod (44) is located above the flip gear (33) and is fixed to the latch (42); Limiting grooves (61) are provided on the inner side of the base, and the limiting grooves (61) are arranged in a linear array and are alternately plugged with the latches (42); A linear drive mechanism, used for driving the crossbar (31) to move horizontally; An intermittent spring (48) is arranged between the support frame (4) and the linear drive mechanism; The support frame (4) is rotatably provided with a deflection shaft (45) fixed to the visual verification component (41), the deflection shaft (45) is fixed with an upper deflection frame (46), the end of the linear drive mechanism is provided with a lower deflection frame (47) for driving the upper deflection frame (46) to rotate, the visual verification component (41) is tilted, and a torsion spring is provided between the deflection shaft (45) and the support frame (4); The linear drive mechanism comprises: A driving plate (51) is slidably arranged with the base, and is slidably arranged with the crossbar (31) via a vertical sliding groove (52); A direction adjustment plate (53) is used for reversing the driving plate (51) and is vertically slidably arranged with the driving plate (51); A driving gear (54) and a driving toothed column (55), wherein the driving gear (54) is meshed with the driving toothed column (55), and the driving toothed column (55) is fixedly mounted on the direction adjustment plate (53); A driving motor (56), wherein an output shaft of the driving motor (56) is coaxially fixed with the driving gear (54); A limiting ring (57), used for limiting the driving gear (54); The cross lever (11) intermittently releases the solenoid valve, the clamp (2) clamps the released solenoid valve, the linear drive mechanism drives the cross bar (31) and the support frame (4) to move, the support frame (4) drives the visual verification component (41) to move, when the latch (42) moves to the upper side of the limit groove (61), the limit spring (43) inserts the latch (42) into the limit groove (61), the intermittent spring (48) is stretched, the support frame (4) and the visual verification component (41) stop moving, at the same time, the cross bar (31) drives the solenoid valve to move through the clamp (2), the top opening of the solenoid valve passes through the bottom of the visual verification component (41), the visual verification component (41) verifies the valve seat inside the solenoid valve through the top opening of the solenoid valve, The bottom flip gear (33) cooperates with the flip rack (35) to drive the cross bracket (32) and the cross bar (31) to flip, and the cross bar (31) turns the side wall opening of the solenoid valve upward. At the same time, the top flip gear (33) pushes the trigger rod (44) to separate the latch (42) from the limit groove (61), and the intermittent spring (48) drives the visual verification component (41) to pass over the solenoid valve through the support frame (4). When the latch (42) is plugged into another limit groove (61), the visual verification component (41) stops again, and the side wall opening of the solenoid valve passes through the bottom of the visual verification component (41), so that the valve seat inside the solenoid valve can be verified at different angles.

2. The electromagnetic valve seat conveyor for visual inspection according to claim 1, characterized in that: The clamp (2) comprises: The housing (21) is fixedly mounted on the crossbar (31); The clamping claw (22) is rotatably arranged with the housing (21) via a rotating rod (26); A telescopic rod (23) is installed in the housing (21), and a clamping rack (24) is installed at the telescopic end of the telescopic rod (23); The clamping gear (25) is meshed with the clamping rack (24) and is used to drive the rotating rod (26) to rotate.

3. The electromagnetic valve seat conveyor for visual inspection according to claim 1, characterized in that: The cross lever (11) is provided with a material shifting gear (12) through a ratchet mechanism, the material shifting gear (12) is meshed with a material shifting rack (13), the toothing of the material shifting gear (12) and the material shifting rack (13) are both right-angle toothings, the material shifting rack (13) is fixed with a driven cylinder (14), the driven cylinder (14) is connected with a driving cylinder (15), and the telescopic end of the driving cylinder (15) faces the driving plate (51).

4. The electromagnetic valve seat conveyor for visual inspection according to claim 1, characterized in that: The guide rod (34) is fixedly provided with limiting rods (36) arranged in a linear array, and the limiting rods (36) are all located above the flip rack (35).

5. The electromagnetic valve seat conveyor for visual inspection according to claim 1, characterized in that: A baffle (62) is arranged above the limiting groove (61) and is rotatably arranged with the base, and the baffle (62) is arranged obliquely.

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