SPC monitoring equipment for engine valve production

Abstract

The invention relates to an SPC monitoring device for engine valve production, and relates to the field of automobile engine part manufacturing, the SPC monitoring device comprises a machine table, a supporting seat is installed on the table top of the machine table, a through groove of the supporting seat is used for placing an engine valve rod, a rotating shaft is rotatably arranged on one side of the supporting seat, and a first vertical plate is arranged on the other side of the supporting seat; a sliding table is arranged on the first vertical plate, a sliding plate is arranged above the sliding table, and a ball seat is mounted on the sliding plate; a transverse plate is arranged at the top of the second vertical plate, a bearing plate sliding transversely is arranged on the outer side plate face of the transverse plate, and a first air cylinder and a second air cylinder are arranged on the two sides of the bottom of the bearing plate respectively and provided with a first curvature probe and a second curvature probe respectively. On one hand, manpower can be saved, the labor amount of operators can be effectively reduced in the whole process, needed manpower is reduced, on the other hand, the operation efficiency can be improved, the monitoring time of a single engine valve is further shortened, and the system can effectively adapt to a high-frequency and uninterrupted engine valve production line.

Description

Technical Field

[0001] The invention relates to the field of automobile engine parts manufacturing, and specifically discloses an SPC monitoring device for engine valve production. Background Art

[0002] The main function of the engine valve is to achieve cylinder sealing and intake and exhaust; the engine valve includes a valve stem and a valve head, a valve head and a valve stem are provided with connected fillets, and the valve head is provided with a valve cone surface; the engine valve has a relatively harsh working environment in the engine system and needs to run for a long time and with a high frequency, so it is necessary to improve the machining accuracy of the engine valve to ensure that the engine valve can operate normally for a long time.

[0003] During the production of engine valves, operators need to monitor the curvature using curvature measuring equipment to ensure that the valve cone and fillet meet the processing requirements; operators can manually upload the measured curvature to the SPC measuring equipment, which uploads electronic data and draws an XR control chart to display the curvature change chart of the engine valve, thereby providing a reference for on-site quality inspection personnel. In the actual operation process, on-site operators need to measure the valve cone and fillet multiple times, and manually turn the engine valve to ensure the reliability of the monitoring data; it can be seen that the existing technology requires a lot of manpower in the process of monitoring the production of engine valves, and the operation efficiency is low, which slows down the monitoring time and cannot adapt to high-frequency, uninterrupted production lines. Summary of the invention

[0004] In view of the problems of high labor cost and low operation efficiency in the current monitoring process of engine valve production, the present invention provides an SPC monitoring device for engine valve production.

[0005] To solve the above problems, the present invention provides the following technical solutions:

[0006] An SPC monitoring device for engine valve production comprises a machine platform, a support seat is installed on the table of the machine platform, a through slot is provided in the support seat, the through slot is used to place the engine valve stem, a rotating shaft is rotatably provided on one side of the support seat, the end of the rotating shaft is arranged in the through slot and plugged with the engine valve stem, a first vertical plate fastened to the machine platform is provided on the other side of the support seat, a sliding table for horizontal sliding is provided above the first vertical plate, a sliding plate for longitudinal sliding is provided above the sliding table, a ball seat for supporting the engine valve stem is installed on the sliding plate; a ball seat for supporting the engine valve stem is fixedly installed on the machine platform A second vertical plate is provided, a horizontal plate is provided on the top of the second vertical plate, a laterally sliding receiving plate is provided on the outer plate surface of the horizontal plate, a first cylinder and a second cylinder are provided on both sides of the bottom of the receiving plate, the piston rods of the first cylinder and the second cylinder are both arranged downward, and the ends of the piston rods of the first cylinder and the second cylinder are respectively provided with a first curvature probe and a second curvature probe, the first curvature probe and the second curvature probe are arranged above the ball seat, the first curvature probe can measure the conical surface curvature of the engine valve head, and the second curvature probe can measure the outer peripheral surface curvature of the engine valve stem.

[0007] Preferably, a fixing plate is sleeved on the outside of the rotating shaft, and the fixing plate is fastened to the machine platform through a first shock-absorbing seat, a second shock-absorbing seat is arranged on the side of the first shock-absorbing seat, a first drive motor is fixedly installed above the second shock-absorbing seat, the output shaft of the first drive motor is in transmission cooperation with the rotating shaft, a sealing ring is installed at the opening of the through groove near one end of the first drive motor, and the inner ring wall of the sealing ring is rotatably cooperated with the outer wall of the rotating shaft.

[0008] Preferably, a support block is provided on one side of the through slot close to the first vertical plate, the support block is fastened to the support seat, a first ball is rotatably mounted on the support block, and the outer wall of the first ball rolls with the outer wall of the engine valve stem; a first screw and a second screw are obliquely provided on both sides of the through slot, the first screw and the second screw are threadedly engaged with the support seat, a second ball and a third ball are rotatably mounted on the ends of the first screw and the second screw, respectively, and the outer walls of the second ball and the third ball roll with the outer wall of the engine valve stem.

[0009] Preferably, a first lead screw is provided on the inner side of the first vertical plate, a second drive motor is fixedly mounted on the machine platform, the output shaft of the second drive motor is transmission connected with the first lead screw, the outer sliding sleeve of the first lead screw is provided with a first lead screw sleeve, the first lead screw sleeve is tightly connected with the bottom of the slide, a first guide rail is fixedly mounted on the first vertical plate, and the first guide rail slides in cooperation with the bottom of the slide; a second lead screw is provided on the inner side of the slide, a third drive motor is fixedly mounted on the slide, the output shaft of the third drive motor is transmission connected with the second lead screw, the outer sliding sleeve of the second lead screw is provided with a second lead screw sleeve, the second lead screw sleeve is tightly connected with the bottom of the slide, a second guide rail is fixedly mounted on the slide, and the second guide rail slides in cooperation with the bottom of the slide.

[0010] Preferably, the arrangement height of the ball seat is lower than the through slot, and there are multiple ball seats which are symmetrically arranged on the slide. Two fourth rolling balls are rotatably installed in each ball seat, and the arrangement height of the two fourth rolling balls is the same as that of the first rolling ball.

[0011] Preferably, a right-angle plate is fixedly installed on the top of the second vertical plate, and the right-angle plate is tightly connected to the transverse plate. A transmission belt is provided on the outer side of the transverse plate, and a first rotating wheel and a second rotating wheel are respectively mounted on both sides of the transmission belt. The first rotating wheel and the second rotating wheel are both rotatably installed on the outer side of the transverse plate, and a fourth driving motor is fixedly installed on the inner side of the transverse plate, and the output shaft of the fourth driving motor is transmission-connected to the first rotating wheel. The first cylinder and the second cylinder are respectively fixedly connected with a first belt block and a second belt block, and the first belt block and the second belt block are pressed into an integrated structure with the receiving plate through a transmission belt.

[0012] Preferably, a third guide rail is fixedly mounted on the outer side surface of the transverse plate, the third guide rail is arranged between the first rotating wheel and the second rotating wheel, and the third guide rail is slidably matched with the first belt block and the second belt block.

[0013] Preferably, a supporting plate is fixedly installed on the outer side of the first cylinder, a third cylinder is fixedly installed on the outer plate surface of the supporting plate, the piston rod of the third cylinder is arranged downward, and a third curvature probe is fixedly installed on the end of the piston rod of the third cylinder, and the third curvature probe can measure the fillet curvature of the engine valve head.

[0014] Preferably, the machine is provided with a plurality of start-stop buttons, the side of the machine is fixedly connected to a third vertical plate, the top of the third vertical plate is fixedly installed with an SPC display module, the SPC display module is electrically connected to the first curvature probe, the second curvature probe, and the third curvature probe, a warning light group is fixedly installed on the rear side of the SPC display module, the warning light group is electrically connected to the SPC display module, and the warning light group is provided with multi-color warning lights.

[0015] Preferably, a storage bin is provided in the machine, the storage bin is used to store engine valves, a drawer box is slidably installed on the top of the storage bin, a machine bin is provided on the side of the drawer box, the machine bin is used to store a central control host, a plurality of screws are installed at the bottom of the machine, shock-absorbing feet are threadedly installed at the ends of the screws, and pulleys are installed on the inner sides of the shock-absorbing feet.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The rotating shaft in the present invention can drive the engine valve to rotate on the machine platform, and by appropriately adjusting the arrangement positions of the first curvature probe and the second curvature probe, the first curvature probe can measure the conical surface curvature of the engine valve head, and the second curvature probe can measure the outer peripheral surface curvature of the engine valve stem. At the same time, by setting the third curvature probe, the third curvature probe can measure the fillet curvature of the engine valve head, so that the conical surface curvature data, the engine valve stem outer peripheral surface curvature data, and the engine valve head fillet curvature data respectively measured by the first curvature probe, the second curvature probe, and the third curvature probe are transmitted and displayed on the SPC display module, thereby providing a reliable reference for on-site operators; on the one hand, the present invention can save manpower, without the need for manual holding and rotation of the engine valve, and can effectively reduce the workload of operators throughout the process and reduce the required manpower; on the other hand, it can improve operating efficiency and further reduce the monitoring time of a single engine valve, thereby shortening the detection cycle of the engine valve, and can effectively adapt to high-frequency, uninterrupted engine valve production lines, so it has a very broad application prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for the description. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall device structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the rotating shaft installation structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the first rolling ball, the third rolling ball, and the third rolling ball installation structure of the present invention;

[0022] Figure 4 It is a schematic diagram of the sealing ring installation structure of the present invention;

[0023] Figure 5It is a schematic diagram of the slide installation structure of the present invention;

[0024] Figure 6 This is a schematic diagram of the first screw sleeve installation structure of the present invention;

[0025] Figure 7 It is a schematic diagram of the transmission belt installation structure of the present invention;

[0026] Figure 8 for Figure 7 A schematic diagram of the structure enlargement in the middle;

[0027] In the figure: 1. machine table, 2. support seat, 3. through slot, 4. rotating shaft, 5. first vertical plate, 6. slide table, 7. slide plate, 8. ball seat, 9. second vertical plate, 10. cross plate, 11. receiving plate, 12. first cylinder, 13. second cylinder, 14. first curvature probe, 15. second curvature probe, 16. fixing plate, 17. first shock-absorbing seat, 18. second shock-absorbing seat, 19. first drive motor, 20. sealing ring, 21. support block, 22. first ball, 23. first screw, 24. second screw, 25. second ball, 26. third ball, 27. first lead screw, 28. second drive motor, 29. first lead screw sleeve , 30. The first guide rail, 31. The second lead screw, 32. The third drive motor, 33. The second lead screw sleeve, 34. The second guide rail, 35. The fourth ball, 36. The right-angle plate, 37. The transmission belt, 38. The first rotating wheel, 39. The second rotating wheel, 40. The fourth driving motor, 41. The first belt block, 42. The second belt block, 43. The third guide rail, 44. The bearing plate, 45. The third cylinder, 46. The third curvature probe, 47. The start-stop button, 48. The third vertical plate, 49. The SPC display module, 50. The warning light group, 51. The storage bin, 52. The drawer box, 53. The machine bin, 54. The screw, 55. The cushioning foot, 56. The pulley. DETAILED DESCRIPTION

[0028] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical scheme of the present invention will be clearly and completely described below in conjunction with the drawings in this specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0029] This specific embodiment provides an SPC monitoring device for engine valve production, such as Figure 1-Figure 8As shown; it includes a machine platform 1, which is the bearing structure of the whole equipment. A support base 2 is installed on the table of the machine platform 1, and the bottom of the support base 2 is tightly connected to the table of the machine platform 1. A through slot 3 is provided in the support base 2, and the openings at both ends of the through slot 3 face the left and right sides of the support base 2 respectively; a rotating shaft 4 is rotatably provided on one side of the support base 2, and the left end of the rotating shaft 4 is arranged in the through slot 3 and plugged with the engine valve stem, and the right end of the rotating shaft 4 is arranged on the right side of the support base 2. A fixing plate 16 is sleeved on the outside of the rotating shaft 4, and the fixing plate 16 is fastened to the machine table 1 through a first shock-absorbing seat 17. A second shock-absorbing seat 18 is arranged on the right side of the first shock-absorbing seat 17, and a first driving motor 19 is fixedly installed above the second shock-absorbing seat 18. The body of the first driving motor 19 is fastened to the second shock-absorbing seat 18, and the output shaft of the first driving motor 19 is matched with the rotating shaft 4 through a coupling, and the output shaft of the first driving motor 19 can drive the rotating shaft 4 to rotate together; wherein, a sealing ring 20 is installed at the opening of the through groove 3 near the right end of the first driving motor 19, and the inner ring wall of the sealing ring 20 is matched with the outer wall of the rotating shaft 4 for rotation. By setting the sealing ring 20, external dust can be effectively prevented from entering the through groove 3, thereby ensuring the cleanliness of the inside of the through groove 3.

[0030] A first vertical plate 5 fastened to the machine table 1 is arranged on the left side of the support seat 2, and a support block 21 is arranged on the side of the through slot 3 close to the first vertical plate 5, the support block 21 is fastened to the support seat 2, a first rolling ball 22 is rotatably mounted on the support block 21, and the outer wall of the first rolling ball 22 rolls with the outer wall of the engine valve stem; a first screw rod 23 and a second screw rod 24 are obliquely arranged on both sides of the through slot 3, the first screw rod 23 and the second screw rod 24 are threadedly matched with the support seat 2, and a second rolling ball 25 and a third rolling ball 26 are rotatably mounted on the ends of the first screw rod 23 and the second screw rod 24, respectively, and the outer walls of the second rolling ball 25 and the third rolling ball 26 roll with the outer wall of the engine valve stem; the engine valve can be effectively supported by arranging the first rolling ball 22, and the engine valve can be further stably placed in the device by arranging the second rolling ball 25 and the third rolling ball 26, thereby ensuring the stability of the engine valve during monitoring.

[0031] The first vertical plate 5 is provided with two and both are tightly connected to the machine table 1, a first lead screw 27 is provided on the inner side of the first vertical plate 5, a second drive motor 28 is fixedly installed on the machine table 1, the output shaft of the second drive motor 28 is transmission-connected with the first lead screw 27, and the output shaft of the second drive motor 28 can drive the first lead screw 27 to rotate together; the outer sliding sleeve of the first lead screw 27 is provided with a first lead screw sleeve 29, the first lead screw sleeve 29 is tightly connected to the bottom of the slide 6, a first guide rail 30 is fixedly installed on the first vertical plate 5, and the first guide rail 30 is slidably matched with the bottom of the slide 6; by setting the matching structure of the first lead screw 27 and the first lead screw sleeve 29, the first lead screw sleeve 29 can drive the slide 6 to move laterally, and by setting the matching structure of the first guide rail 30 and the slide 6, the stability of the slide 6 can be further enhanced, thereby ensuring that the two sides of the slide 6 are in a state of force balance.

[0032] A second lead screw 31 is provided on the inner side of the slide 6, and the second lead screw 31 is arranged on the upper part of the slide 6. A third drive motor 32 is fixedly installed on the slide 6, and the output shaft of the third drive motor 32 is transmission-connected with the second lead screw 31, and the output shaft of the third drive motor 32 can drive the second lead screw 31 to rotate together, and the outer sliding sleeve of the second lead screw 31 is provided with a second lead screw sleeve 33, and the second lead screw sleeve 33 is tightly connected to the bottom of the slide 7, and a second guide rail 34 is fixedly installed on the slide 6, and the second guide rail 34 is slidably matched with the bottom of the slide 7; by setting the matching structure of the second lead screw sleeve 33 and the second guide rail 34, on the one hand, the slide 7 can slide longitudinally on the slide 6, and on the other hand, the stability of the slide 7 can also be ensured.

[0033] A ball seat 8 is fixedly installed on the board surface of the skateboard 7, and the arrangement height of the ball seat 8 is lower than the through groove 3. There are multiple ball seats 8 and they are symmetrically arranged on the skateboard 7. Two fourth rolling balls 35 are rotatably installed in each ball seat 8, and the arrangement height of the two fourth rolling balls 35 is the same as the arrangement height of the first rolling ball 22. By arranging the fourth rolling ball 35, the surface of the fourth rolling ball 35 can be in contact with the outer wall of the engine valve stem, thereby effectively supporting the engine valve stem.

[0034] A second vertical plate 9 is fixedly installed on the machine 1, and the second vertical plate 9 is arranged on the rear side of the first vertical plate 5. A right-angle plate 36 is fixedly installed on the top of the second vertical plate 9, and the right-angle plate 36 is tightly connected to the horizontal plate 10. A transmission belt 37 is arranged on the outer side of the horizontal plate 10, and a first rotating wheel 38 and a second rotating wheel 39 are respectively mounted on both sides of the transmission belt 37. The first rotating wheel 38 and the second rotating wheel 39 are both rotatably installed on the outer side of the horizontal plate 10. A fourth driving motor 40 is fixedly installed on the inner side of the horizontal plate 10, and the output shaft of the fourth driving motor 40 The first cylinder 12 and the second cylinder 13 are respectively fixedly connected to the first belt block 41 and the second belt block 42, which are pressed into an integrated structure with the receiving plate 11 through the transmission belt 37. By setting the matching structure of the first belt block 41, the second belt block 42, the transmission belt 37 and the receiving plate 11, when the transmission belt 37 rotates, the first belt block 41 and the second belt block 42 can be driven to move together, thereby adjusting the arrangement position of the first belt block 41 and the second belt block 42.

[0035] Among them, a third guide rail 43 is fixedly installed on the outer surface of the horizontal plate 10, and the third guide rail 43 is arranged between the first rotating wheel 38 and the second rotating wheel 39. The third guide rail 43 is slidably matched with the first belt block 41 and the second belt block 42; by setting the third guide rail 43, a support structure can be provided for the first belt block 41 and the second belt block 42, thereby sharing the bearing capacity of the transmission belt 37 and further improving the stability of the overall equipment.

[0036] The first cylinder 12 and the second cylinder 13, the piston rods of the first cylinder 12 and the second cylinder 13 are both arranged downward, and the ends of the piston rods of the first cylinder 12 and the second cylinder 13 are respectively installed with a first curvature probe 14 and a second curvature probe 15, the probes at the bottom of the first curvature probe 14 and the second curvature probe 15 are arranged downward, the first curvature probe 14 and the second curvature probe 15 are arranged above the ball seat 8, the first curvature probe 14 can measure the conical surface curvature of the engine valve head, and the second curvature probe 15 can measure the outer peripheral surface curvature of the engine valve stem; a bearing plate 44 is fixedly installed on the outer side of the first cylinder 12, and a third cylinder 45 is fixedly installed on the outer plate surface of the bearing plate 44, the piston rod of the third cylinder 45 is arranged downward, and a third curvature probe 46 is fixedly installed on the end of the piston rod of the third cylinder 45, and the third curvature probe 46 can measure the fillet curvature of the engine valve head.

[0037] The machine 1 is provided with a plurality of start / stop buttons 47, which can be used to control the start / stop of the entire device; a third vertical plate 48 is fixedly connected to the side of the machine 1, and an SPC display module 49 is fixedly installed on the top of the third vertical plate 48, and the SPC display module 49 is electrically connected to the first curvature probe 14, the second curvature probe 15, and the third curvature probe 46; a warning light group 50 is fixedly installed on the rear side of the SPC display module 49, and the warning light group 50 is electrically connected to the SPC display module 49; the warning light group 50 is provided with multi-color warning lights, and the multi-color warning lights can be used to display various working states of the device in real time.

[0038] In addition, a storage bin 51 is provided in the machine 1, and the storage bin 51 is used to store the engine valves; and the engine valves can be placed on the valve rack, and the valve rack is placed in the storage bin 51, so as to reasonably store the engine valves; a drawer 52 is slidably installed on the top of the storage bin 51, and the drawer 52 can be used to place documents; a machine bin 53 is provided on the side of the drawer 52, and the machine bin 53 is used to store the central control host, and the central control host is electrically connected to the SPC display module 49 to control the entire device. A plurality of screws 54 are installed at the bottom of the machine 1, and the ends of the screws 54 are threadedly installed with shock-absorbing feet 55. By adjusting the arrangement position of the shock-absorbing feet 55 on the screws 54, the ground clearance of the machine 1 can be adjusted; the inner side of the shock-absorbing feet 55 is installed with pulleys 56. This makes it convenient to move the entire device.

[0039] The working principle of the present invention is:

[0040] When monitoring the engine valve, the operator can plug the end of the engine valve stem into the left end of the shaft 4, so that the engine valve stem contacts the first ball 22 and the fourth ball 35, and fix the engine valve stem with the second ball 25 and the third ball 26 by adjusting the installation position of the first screw 23 and the second screw 24. After the operator starts the first drive motor 19, the first drive motor 19 can drive the shaft 4 to rotate together, so that the entire engine valve rotates together; during the rotation of the engine valve, by controlling the piston rod stroke of the first cylinder 12 and the second cylinder 13, the first curvature probe 14 and the second curvature probe 15 gradually approach the engine valve, so that the first curvature probe 14 measures the conical curvature of the engine valve head, and the second curvature probe 15 measures the outer peripheral curvature of the engine valve stem; further control the piston rod stroke of the third cylinder 45 so that the first curvature probe 14 and the second curvature probe 15 can measure the outer peripheral curvature of the engine valve stem. The three curvature probes 46 can measure the fillet curvature of the engine valve head; the curvature data measured by the first curvature probe 14, the second curvature probe 15, and the third curvature probe 46 can be displayed on the SPC display module 49, thereby providing a reliable reference for on-site operators. If the curvature data meets the production requirements, the warning light group 50 can display green to indicate that everything is normal. If the curvature data does not meet the production requirements, the warning light group 50 can display red to warn the operator to take emergency measures. When the entire equipment is in a paused state, the warning light group 50 can display yellow.

[0041] During the above measurement process, the engine valve is always in a rotating state. The operator can start the fourth drive motor 40 to control the positions of the first belt block 41 and the second belt block 42, so as to monitor engine valves of various sizes and specifications, thereby improving the applicability of the overall equipment.

[0042] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An SPC monitoring device for engine valve production, comprising a machine (1), It is characterized in that A support seat (2) is installed on the table top of the machine (1), a through slot (3) is provided in the support seat (2), the through slot (3) is used to place the engine valve stem, a rotating shaft (4) is rotatably provided on one side of the support seat (2), the end of the rotating shaft (4) is arranged in the through slot (3) and is plugged into the engine valve stem, a first vertical plate (5) is provided on the other side of the support seat (2) and is tightly connected to the machine (1), a horizontally sliding slide (6) is provided above the first vertical plate (5), a longitudinally sliding slide (7) is provided above the slide (6), a ball seat (8) for supporting the engine valve stem is installed on the slide (7); a second vertical plate (9) is fixedly installed on the machine (1), the second vertical plate (9) is provided with a A transverse plate (10) is arranged at the top, and a transversely sliding receiving plate (11) is arranged on the outer plate surface of the transverse plate (10). A first cylinder (12) and a second cylinder (13) are arranged on both sides of the bottom of the receiving plate (11). The piston rods of the first cylinder (12) and the second cylinder (13) are arranged downwards. The ends of the piston rods of the first cylinder (12) and the second cylinder (13) are respectively installed with a first curvature probe (14) and a second curvature probe (15). The first curvature probe (14) and the second curvature probe (15) are arranged above the ball seat (8). The first curvature probe (14) can measure the conical curvature of the engine valve head, and the second curvature probe (15) can measure the outer peripheral curvature of the engine valve stem.

2. An SPC monitoring device for engine valve production according to claim 1, It is characterized in that A fixing plate (16) is sleeved on the outside of the rotating shaft (4), and the fixing plate (16) is fastened to the machine platform (1) through a first shock-absorbing seat (17). A second shock-absorbing seat (18) is arranged on the side of the first shock-absorbing seat (17), and a first drive motor (19) is fixedly installed above the second shock-absorbing seat (18). The output shaft of the first drive motor (19) is in driving cooperation with the rotating shaft (4). A sealing ring (20) is installed at the opening of the through groove (3) close to one end of the first drive motor (19), and the inner ring wall of the sealing ring (20) is in rotational cooperation with the outer wall of the rotating shaft (4).

3. The SPC monitoring device for engine valve production according to claim 1, It is characterized in that A support block (21) is arranged on one side of the through groove (3) close to the first vertical plate (5), the support block (21) is tightly connected to the support seat (2), a first rolling ball (22) is rotatably mounted on the support block (21), and the outer wall of the first rolling ball (22) is rollingly matched with the outer wall of the engine valve stem; a first screw rod (23) and a second screw rod (24) are obliquely arranged on both sides of the through groove (3), the first screw rod (23) and the second screw rod (24) are threadedly matched with the support seat (2), and a second rolling ball (25) and a third rolling ball (26) are rotatably mounted on the ends of the first screw rod (23) and the second screw rod (24), respectively, and the outer walls of the second rolling ball (25) and the third rolling ball (26) are both rollingly matched with the outer wall of the engine valve stem.

4. The SPC monitoring device for engine valve production according to claim 1, It is characterized in that A first lead screw (27) is arranged on the inner side of the first vertical plate (5); a second drive motor (28) is fixedly mounted on the machine platform (1); an output shaft of the second drive motor (28) is drivingly connected to the first lead screw (27); an outer sliding sleeve of the first lead screw (27) is provided with a first lead screw sleeve (29); the first lead screw sleeve (29) is tightly connected to the bottom of the slide table (6); a first guide rail (30) is fixedly mounted on the first vertical plate (5); the first guide rail (30) is slidingly coupled to the bottom of the slide table (6). The slide (6) is provided with a second lead screw (31) on the inner side, a third drive motor (32) is fixedly mounted on the slide (6), an output shaft of the third drive motor (32) is transmission-connected with the second lead screw (31), an outer sliding sleeve of the second lead screw (31) is provided with a second lead screw sleeve (33), the second lead screw sleeve (33) is tightly connected with the bottom of the slide plate (7), a second guide rail (34) is fixedly mounted on the slide (6), and the second guide rail (34) is slidingly matched with the bottom of the slide plate (7).

5. The SPC monitoring device for engine valve production according to claim 1, It is characterized in that The arrangement height of the ball seat (8) is lower than the through slot (3), and a plurality of the ball seats (8) are provided and symmetrically arranged on the slide plate (7). Two fourth rolling balls (35) are rotatably mounted in each ball seat (8), and the arrangement height of the two fourth rolling balls (35) is the same as the arrangement height of the first rolling ball (22).

6. The SPC monitoring device for engine valve production according to claim 1, It is characterized in that A right-angle plate (36) is fixedly installed on the top of the second vertical plate (9), and the right-angle plate (36) is tightly connected to the horizontal plate (10). A transmission belt (37) is arranged on the outer side of the horizontal plate (10), and a first rotating wheel (38) and a second rotating wheel (39) are respectively mounted on both sides of the transmission belt (37). The first rotating wheel (38) and the second rotating wheel (39) are both rotatably installed on the outer side of the horizontal plate (10). A fourth driving motor (40) is fixedly installed on the inner side of the horizontal plate (10), and the output shaft of the fourth driving motor (40) is transmission-connected to the first rotating wheel (38). The first cylinder (12) and the second cylinder (13) are respectively fixedly connected to a first belt block (41) and a second belt block (42). The first belt block (41) and the second belt block (42) are pressed into an integrated structure with the receiving plate (11) through the transmission belt (37).

7. The SPC monitoring device for engine valve production according to claim 6, It is characterized in that A third guide rail (43) is fixedly mounted on the outer side of the transverse plate (10), and the third guide rail (43) is arranged between the first rotating wheel (38) and the second rotating wheel (39). The third guide rail (43) is slidably matched with the first belt block (41) and the second belt block (42).

8. The SPC monitoring device for engine valve production according to claim 1, It is characterized in that A bearing plate (44) is fixedly mounted on the outer side of the first cylinder (12); a third cylinder (45) is fixedly mounted on the outer plate surface of the bearing plate (44); a piston rod of the third cylinder (45) is arranged downward; a third curvature probe (46) is fixedly mounted on the end of the piston rod of the third cylinder (45); and the third curvature probe (46) can measure the fillet curvature of the engine valve head.

9. The SPC monitoring device for engine valve production according to claim 1, It is characterized in that The machine (1) is provided with a plurality of start / stop buttons (47); a third vertical plate (48) is fixedly connected to the side of the machine (1); an SPC display module (49) is fixedly installed on the top of the third vertical plate (48); the SPC display module (49) is electrically connected to the first curvature probe (14), the second curvature probe (15), and the third curvature probe (46); a warning light group (50) is fixedly installed on the rear side of the SPC display module (49); the warning light group (50) is electrically connected to the SPC display module (49); and the warning light group (50) is provided with multi-color warning lights.

10. The SPC monitoring device for engine valve production according to claim 1, It is characterized in that The machine (1) is provided with a storage bin (51) for storing engine valves, a drawer box (52) is slidably mounted on the top of the storage bin (51), a machine bin (53) is arranged on the side of the drawer box (52), and the machine bin (53) is used for storing a central control host, a plurality of screw rods (54) are installed at the bottom of the machine (1), and shock absorbing feet (55) are threadedly mounted on the ends of the screw rods (54), and pulleys (56) are installed on the inner sides of the shock absorbing feet (55).

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