Camshaft center punching device

Abstract

The utility model relates to the technical field of camshaft machining, in particular to a camshaft center punching device which comprises a workbench, a first rack is fixedly installed at the top end of the right side of the workbench, a push rod motor is fixedly installed on the outer side of the first rack, and a movable seat is arranged at the output shaft end of the push rod motor. A second rack is fixedly installed at the top end of the left side of the workbench, a tapping machine is fixedly installed on the outer side of the second rack, and a fixing base is fixedly installed at the top end of the side, close to the tapping machine, of the workbench. A transmission shell is fixedly mounted at the top end of the middle of the workbench. The workbench, the transmission shell, the second bracket, the servo motor and the synchronous wheel are used in cooperation, the servo motor is started, after the servo motor is started, the second bracket is controlled to rotate by 180 degrees through matched transmission between the synchronous wheel and the toothed belt, then secondary trepanning is conducted according to the process, and therefore the purpose of facilitating automatic direction adjustment is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of camshaft processing, in particular to a camshaft center punching device. Background Art

[0002] The camshaft is a key component in mechanical equipment such as internal combustion engines. It is used to control the intake and exhaust of the cylinders and the opening and closing of the valves. The manufacturing process of the camshaft requires a high degree of precision and fine processing to ensure its performance and reliability.

[0003] For example, a center hole drilling device for camshaft processing disclosed in the authorization announcement number CN217551231U includes a mounting base, a lifting device is arranged on the mounting base, a drilling device is installed on the movable end of the lifting device, a fixed disk is arranged on the mounting base, and multiple fixed disks are evenly arranged along the lifting direction of the lifting device, and the axis of the drilling shaft on the drilling device coincides with the axis of the fixed disk. After adopting the above technical solution, the beneficial effects of the utility model are as follows: the racks slide synchronously, and each rack moves the same distance, so that the camshaft is exactly in the center of the fixed disk, and the axis of the rotating shaft of the drilling device passes through the center of the fixed disk, which can ensure that the center of the rotating shaft coincides with the camshaft, and no deviation occurs when drilling.

[0004] The above device has a simple structure and reasonable design, can meet the needs of users, and has great promotion value;

[0005] However, the above patent has the following shortcomings:

[0006] Although the center hole drilling device for camshaft processing can ensure that the center of the rotating shaft and the camshaft coincide and no deviation occurs during drilling, after drilling a hole at one end of the camshaft, the direction of the camshaft needs to be manually adjusted to perform hole drilling at the other end. Utility Model Content

[0007] The purpose of the utility model is to provide a camshaft center punching device to solve the problems raised in the above background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A camshaft center punching device, comprising:

[0010] A workbench, a first frame is fixedly installed on the top right side of the workbench, a push rod motor is fixedly installed on the outer side of the first frame, and a movable seat is provided at the output shaft end of the push rod motor;

[0011] A second frame is fixedly installed on the top left side of the workbench, a hole-opening machine is fixedly installed on the outside of the second frame, and a fixing seat is fixedly installed on the top side of the workbench close to the hole-opening machine;

[0012] A transmission shell is fixedly installed on the top of the middle part of the workbench, and a direction adjustment mechanism is arranged inside the transmission shell. The direction adjustment mechanism includes a second bracket, a servo motor and a synchronous wheel.

[0013] Preferably, a guide groove is provided at the middle of the top of the movable seat and the fixed seat, and a clamping cylinder is fixedly installed on the outside of both sides of the movable seat and the fixed seat, and a first bracket is provided at one end of the output shaft of the clamping cylinder located inside the guide groove;

[0014] Preferably, a support plate is fixedly installed on the outside of one side of the workbench close to the fixed seat, a connecting piece is provided on one side of the movable seat close to the first frame, a lifting cylinder is provided on the top of each of the support plate and the connecting piece, and a jacket is fixedly installed on the output shaft end of the lifting cylinder;

[0015] Preferably, both sides of the bottom end of the workbench close to the movable seat are provided with slide grooves, and both sides of the bottom end of the movable seat are provided with sliders slidably connected with the slide grooves;

[0016] Preferably, a servo motor is fixedly mounted on the top right side of the transmission housing, a second bracket is movably mounted on the top left side of the transmission housing, synchronous wheels are movably mounted on both ends of the interior of the transmission housing, the two synchronous wheels are movably connected via a toothed belt, and the top ends of the two synchronous wheels are respectively connected to the second bracket and the servo motor;

[0017] Preferably, the center points of the first bracket and the second bracket are on the same horizontal line.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. A camshaft center punching device is used in conjunction with a workbench, a transmission housing, a second bracket, a servo motor and a synchronous wheel. The servo motor is started. After the servo motor is started, the synchronous wheel and the toothed belt are used to cooperate and transmit to control the second bracket to rotate 180°, and then the second hole is punched according to the above process, thereby achieving the purpose of facilitating automatic adjustment.

[0020] 2. This camshaft center punching device can also control the start of the lifting cylinder at the top of the support plate during the punching process. After the lifting cylinder is started, the control sleeve is lowered to press against the upper surface of the camshaft, so that the end of the camshaft will not be lifted during the punching process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a schematic diagram of the overall main structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the first bracket structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the connector of the utility model;

[0024] Figure 4 It is a schematic diagram of the direction adjustment mechanism of the utility model.

[0025] In the figure: 1. workbench; 2. first frame; 3. push rod motor; 4. movable seat; 5. second frame; 6. hole punching machine; 7. fixed seat; 8. transmission housing; 9. adjustment mechanism; 901. second bracket; 902. servo motor; 903. synchronous wheel; 10. guide groove; 11. clamping cylinder; 12. first bracket; 13. support plate; 14. connecting piece; 15. lifting cylinder; 16. jacket; 17. slide groove; 18. slider. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-4 As shown, a technical solution provided by the utility model:

[0028] A camshaft center punching device comprises a workbench 1, a first frame 2 is fixedly installed on the top right side of the workbench 1, a push rod motor 3 is fixedly installed on the outside of the first frame 2, and a movable seat 4 is arranged at the output shaft end of the push rod motor 3; a second frame 5 is fixedly installed on the top left side of the workbench 1, a hole punching machine 6 is fixedly installed on the outside of the second frame 5, and a fixed seat 7 is fixedly installed on the top side of the workbench 1 close to the hole punching machine 6; a transmission housing 8 is fixedly installed on the top middle part of the workbench 1, and a direction adjustment machine is arranged inside the transmission housing 8 The adjustment mechanism 9 includes a second bracket 901, a servo motor 902 and a synchronous wheel 903. The center points of the first bracket 12 and the second bracket 901 are on the same horizontal line. The servo motor 902 is fixedly installed on the top right side of the transmission housing 8, and the second bracket 901 is movably installed on the top left side of the transmission housing 8. Both ends of the transmission housing 8 are movably installed with synchronous wheels 903. The two synchronous wheels 903 are movably connected through toothed belts. The top ends of the two synchronous wheels 903 are respectively connected to the second bracket 901 and the servo motor 902.

[0029] In this embodiment, after one end of the camshaft is processed, the camshaft is controlled to reset to the initial point, and then the sleeve 16 at the top of the movable seat 4 is controlled to rise, and the movable seat 4 is withdrawn from one side of the camshaft to provide space for rotating the camshaft, and then the servo motor 902 is started. After the servo motor 902 is started, the second bracket 901 is controlled to rotate 180° through the transmission between the synchronous wheel 903 and the toothed belt, and then the secondary hole is opened according to the above process, so as to achieve the purpose of facilitating automatic adjustment.

[0030] like Figure 2 As shown, a guide groove 10 is provided in the middle of the top of the movable seat 4 and the fixed seat 7, and a clamping cylinder 11 is fixedly installed on the outside of both sides of the movable seat 4 and the fixed seat 7. The output shaft of the clamping cylinder 11 is located at one end of the inner side of the guide groove 10 and a first bracket 12 is provided;

[0031] In this embodiment, when the diameter of the camshaft main shaft that needs to be drilled changes, the clamping cylinder 11 is controlled to start. After the two clamping cylinders 11 are started, the position of the first bracket 12 is adjusted forward and backward, so that camshafts of different diameters can be easily lifted.

[0032] like Figure 2 As shown, a support plate 13 is fixedly installed on the outside of the workbench 1 near the fixed seat 7, a connecting piece 14 is provided on the side of the movable seat 4 near the first frame 2, and a lifting cylinder 15 is provided on the top of the support plate 13 and the connecting piece 14, and a jacket 16 is fixedly installed on the output shaft end of the lifting cylinder 15;

[0033] In this embodiment, during the hole drilling process, the lifting cylinder 15 at the top of the support plate 13 can also be controlled to start. After the lifting cylinder 15 is started, the sleeve 16 is controlled to descend and press against the upper surface of the camshaft, so that the end of the camshaft will not be lifted during the hole drilling process.

[0034] like Figure 3 As shown, both sides of the bottom end of the workbench 1 close to the movable seat 4 are provided with slide grooves 17, and both sides of the bottom end of the movable seat 4 are provided with sliders 18 slidably connected with the slide grooves 17;

[0035] In this embodiment, when the movable seat 4 moves forward and backward, the two sliding blocks 18 at the bottom of the movable seat 4 will slide along the inside of the sliding groove 17 for guidance.

[0036] Working principle: During processing, the camshaft is placed on the two first brackets 12 at the top of the second bracket 901 and the movable seat 4, and then the lifting cylinder 15 at the top of the connecting piece 14 is started. After the lifting cylinder 15 is started, the clamping sleeve 16 is pressed down to clamp one end of the camshaft, and then the push rod motor 3 is started. The push rod motor 3 pushes the connecting piece 14 and the movable seat 4 forward to move the camshaft in the direction of the hole opening machine 6, and then the hole opening machine 6 is started. After the hole opening machine 6 is started, the camshaft at its end is moved to the hole opening process. During the hole opening process, the lifting cylinder 15 at the top of the support plate 13 can also be controlled to start and lift After the cylinder 15 is started, the control sleeve 16 is controlled to descend and then press against the upper surface of the camshaft, so that the end of the camshaft will not be lifted up during the hole opening process; when one end of the camshaft is processed, the camshaft is controlled to reset to the initial point, and then the control sleeve 16 on the top of the movable seat 4 is raised, and the movable seat 4 is withdrawn from one side of the camshaft to provide space for rotating the camshaft, and then the servo motor 902 is started. After the servo motor 902 is started, the synchronous wheel 903 and the toothed belt are coordinated to control the second bracket 901 to rotate 180°, and then the secondary hole opening can be carried out according to the above process.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A camshaft center punching device, characterized in that: include A workbench (1), wherein a first frame (2) is fixedly mounted on the top right side of the workbench (1), a push rod motor (3) is fixedly mounted on the outer side of the first frame (2), and a movable seat (4) is provided at the output shaft end of the push rod motor (3); A second frame (5) is fixedly mounted on the top left side of the workbench (1), a hole-opening machine (6) is fixedly mounted on the outer side of the second frame (5), and a fixing seat (7) is fixedly mounted on the top side of the workbench (1) close to the hole-opening machine (6); A transmission housing (8) is fixedly mounted on the top middle portion of the workbench (1), and a direction adjustment mechanism (9) is arranged inside the transmission housing (8). The direction adjustment mechanism (9) comprises a second bracket (901), a servo motor (902) and a synchronous wheel (903).

2. A camshaft center punching device according to claim 1, characterized in that: A guide groove (10) is provided in the middle of the top of the movable seat (4) and the fixed seat (7), and a clamping cylinder (11) is fixedly installed on the outside of both sides of the movable seat (4) and the fixed seat (7), and a first bracket (12) is provided at one end of the output shaft of the clamping cylinder (11) located inside the guide groove (10).

3. A camshaft center punching device according to claim 1, characterized in that: A support plate (13) is fixedly mounted on the outside of the workbench (1) on one side close to the fixed seat (7), a connecting piece (14) is provided on one side of the movable seat (4) close to the first frame (2), a lifting cylinder (15) is provided at the top end of each of the support plate (13) and the connecting piece (14), and a jacket (16) is fixedly mounted on the output shaft end of the lifting cylinder (15).

4. A camshaft center punching device according to claim 1, characterized in that: The workbench (1) is provided with sliding grooves (17) on both sides of the bottom end close to the movable seat (4), and the movable seat (4) is provided with sliding blocks (18) slidably connected to the sliding grooves (17) on both sides of the bottom end.

5. A camshaft center punching device according to claim 2, characterized in that: A servo motor (902) is fixedly mounted on the top right side of the transmission housing (8), a second bracket (901) is movably mounted on the top left side of the transmission housing (8), synchronous wheels (903) are movably mounted on both ends of the interior of the transmission housing (8), the two synchronous wheels (903) are movably connected via a toothed belt, and the top ends of the two synchronous wheels (903) are respectively connected to the second bracket (901) and the servo motor (902).

6. A camshaft center punching device according to claim 5, characterized in that: The center points of the first bracket (12) and the second bracket (901) are on the same horizontal line.

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