CN217666568U

CN217666568U - Axial punching device for camshaft

Info

Publication number: CN217666568U
Application number: CN202221508760.XU
Authority: CN
Inventors: 郝进布
Original assignee: Weifang Tiandun Machinery Co ltd
Current assignee: Weifang Tiandun Machinery Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-10-28
Anticipated expiration: 2032-06-17

Abstract

The utility model belongs to the technical field of camshaft production facility technique and specifically relates to indicate a camshaft axial perforating device, which comprises a working platform, the top of mounting panel is provided with the bottom plate, the top left side fixedly connected with mount of bottom plate, the top right side fixedly connected with second motor of bottom plate, the output fixedly connected with driving gear of second motor, the inside of mount is rotated and is connected with the connecting axle, and the connecting axle is provided with four, the left end of connecting axle is connected with the drilling rod through the chuck, the right-hand member fixedly connected with driven gear of connecting axle, and driven gear is connected with driving gear engagement. The utility model discloses, drive the driving gear through second motor work and rotate, the driving gear drives the connecting axle through driven gear and rotates, and then makes the drilling rod rotate, to the camshaft while drilling, has avoided changing the position many times of camshaft, has improved the accuracy of punching.

Description

Axial punching device for camshaft

Technical Field

The utility model relates to a camshaft production facility technical field especially relates to a camshaft axial perforating device.

Background

The camshaft is an important component in a piston engine and functions to control the opening and closing action of the valve. Although the rotational speed of the camshaft is half of that of the crankshaft in the four-stroke engine, the rotational speed of the camshaft is still high and the camshaft is required to bear a large torque, so that the camshaft is required to be high in strength and support in the design, and the camshaft is generally made of high-quality alloy steel or alloy steel. Because the valve motion law is related to the power and the running characteristics of an engine, the camshaft design occupies a very important position in the design process of the engine.

The existing axial punching device for the camshaft can only punch at the same position, a machining element needs to be moved to replace the punching position, the curved surface displacement of the machining element is caused, the displacement of the machining element or the drilling device is easily caused, the punching position is not accurate enough, the machining efficiency is influenced, the production quality of the camshaft is reduced, and the technical problem of punching defects exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a camshaft axial punching device.

In order to realize the purpose, the utility model adopts the following technical scheme:

the axial punching device for the camshaft comprises a working platform, wherein the top end of the working platform is connected with a mounting plate in a sliding manner, the bottom end of the mounting plate is connected with a driving mechanism, a bottom plate is fixedly arranged at the top end of the mounting plate, a fixing frame is fixedly connected to the left side of the top end of the bottom plate, a second motor is fixedly connected to the right side of the top end of the bottom plate, and an output end of the second motor is fixedly connected with a driving gear;

the fixed frame is provided with more than two connecting shafts in a penetrating and rotating mode, the left end of each connecting shaft is connected with a drill rod through a chuck, the right end of each connecting shaft is fixedly connected with a driven gear, and the driven gear is meshed with the driving gear;

and the left side of the top end of the working platform is fixedly connected with a clamp, and the position of the clamp corresponds to the position of the drill rod.

As a further improvement, the driving mechanism comprises a first motor, the first motor is fixedly installed at the right end of the working platform, a first threaded rod is fixedly connected to the output end of the first motor, and the first threaded rod is in threaded transmission connection with the bottom of the mounting plate.

As a further improvement, the top fixedly connected with slide rail of mounting panel, bottom plate and slide rail sliding connection, the right-hand member fixedly connected with buffer beam of bottom plate, the right-hand member and the mounting panel fixed connection of buffer beam.

As a further improvement, the buffer rod includes a stand column, the right side part of the stand column is connected with a sleeve, the right end of the sleeve is fixedly connected with the mounting plate, a push block is arranged inside the sleeve in a sliding mode, a spring is arranged between the stand column and the push block, the left end of the push block is abutted to the spring, a second threaded rod is connected to the right end of the push block in a rotating mode, and the second threaded rod is connected with the sleeve in a threaded mode.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model provides a camshaft axial perforating device drives the driving gear through the operation of second motor and rotates, and the driving gear passes through driven gear and drives the connecting axle rotation more than two, and then makes the drilling rod rotate, bores the hole more than two simultaneously to the camshaft, according to the position and the quantity requirement of concrete drilling, sets up the position and the quantity of connecting axle and drilling rod, realizes that the drilling operation accomplishes all drilling requirements, has avoided changing the position many times to the camshaft, has improved the accuracy of punching.

Before drilling, under the drive effect of second motor, drilling rod contact camshaft, owing to set up the buffer beam, when the drilling rod begins to contact the camshaft, pressure to the camshaft is less, along with second motor drive mounting panel continues to remove to the camshaft, the buffer beam is compressed, the buffer beam is increasing to the power of applying of bottom plate, the drilling rod is increasing to the pressure of camshaft, and drill to the camshaft, make the drilling rod have certain buffering time before drilling, avoid drilling rod and camshaft to take place rigid collision, the wearing and tearing of drilling rod have been reduced, the life of extension drilling rod.

The prestress applied to the bottom plate by the buffer rod can be adjusted by rotating the second threaded rod to move the push block to the left so that the spring is compressed.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a schematic view of a fixing frame according to an embodiment of the present invention;

fig. 3 is a schematic view of a buffer rod according to an embodiment of the present invention.

Illustration of the drawings:

1. a working platform; 2. a first motor; 3. a first threaded rod; 4. mounting a plate; 5. a slide rail; 6. a base plate; 7. a second motor; 8. a fixed mount; 9. drilling a rod; 10. a buffer rod; 11. a clamp; 12. a driven gear; 13. a driving gear; 14. a column; 15. a sleeve; 16. a spring; 17. pushing a block; 18. a second threaded rod; 19. a connecting shaft; 20. a chuck.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention, and in the description of the present invention, "plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-3, the utility model provides an axial punching device for a camshaft, which comprises a working platform 1, wherein the top end of the working platform 1 is slidably connected with a mounting plate 4, the bottom end of the mounting plate 4 is connected with a driving mechanism, the top end of the mounting plate 4 is fixedly provided with a bottom plate 6, the left side of the top end of the bottom plate 6 is fixedly connected with a fixing frame 8, the right side of the top end of the bottom plate 6 is fixedly connected with a second motor 7, and the output end of the second motor 7 is fixedly connected with a driving gear 13;

the fixed frame 8 is provided with connecting shafts 19 in a penetrating and rotating mode, the number of the connecting shafts 19 is more than two, the left end of each connecting shaft 19 is connected with the drill rod 9 through the chuck 20, the right end of each connecting shaft 19 is fixedly connected with the driven gear 12, the driven gear 12 is meshed with the driving gear 13, specifically, the positions and the number of the connecting shafts 19 and the drill rods 9 are set according to the position and the number of specific drill holes, all the drilling requirements are met in one-time drilling operation, and the situation that the number of the connecting shafts 19 is four is shown in the figure;

the left side of the top end of the working platform 1 is fixedly connected with a clamp 11, the position of the clamp 11 corresponds to the position of the drill rod 9, the clamp 11 is used for clamping a camshaft to be drilled, the clamp 11 which is used in the prior art can be used, and the specific structure is not described in detail herein.

The camshaft axial perforating device that this embodiment provided drives driving gear 13 through actuating mechanism and rotates, and driving gear 13 drives connecting axle 19 more than two through driven gear 12 and rotates, and then makes drilling rod 9 more than two rotate simultaneously, bores the hole more than two simultaneously to the camshaft, realizes that all drilling requirements are accomplished in drilling operation, has avoided changing the position many times to the camshaft, has improved the accuracy of punching.

In this embodiment, the driving mechanism includes a first motor 2, the first motor 2 is fixedly installed at the right end of the working platform 1, the output end of the first motor 2 is fixedly connected with a first threaded rod 3, the first threaded rod 3 is in threaded transmission connection with the bottom of the mounting plate 4, and the first motor 2 operates to rotate the first threaded rod 3, so as to control the mounting plate 4 to move leftwards or rightwards.

In this embodiment, the top fixedly connected with slide rail 5 of mounting panel 4, bottom plate 6 and slide rail 5 sliding connection, the right-hand member fixedly connected with buffer beam 10 of bottom plate 6, the right-hand member and mounting panel 4 fixed connection of buffer beam 10, set up buffer beam 10, when drilling rod 9 begins to contact the camshaft, pressure to the camshaft is less, along with second motor 7 drive mounting panel 4 continues to remove to the camshaft, buffer beam 10 is compressed, buffer beam 10 is increasing the power of applying to bottom plate 6, drilling rod 9 is increasing the pressure of camshaft, and drill the camshaft, make drilling rod 9 have certain buffering time before drilling, avoid drilling rod 9 and camshaft to take place the rigidity collision, the wearing and tearing of drilling rod 9 have been reduced, the life of extension drilling rod 9.

Specifically, buffer beam 10 includes stand 14, the partial sliding connection in right side of stand 14 has sleeve pipe 15, sleeve pipe 15's right-hand member and mounting panel 4 fixed connection, sleeve pipe 15's inside slides and is equipped with ejector pad 17, be provided with spring 16 between stand 14 and the ejector pad 17, the left end of ejector pad 17 offsets with spring 16, the right-hand member of ejector pad 17 rotates and is connected with second threaded rod 18, second threaded rod 18 and sleeve pipe 15 threaded connection, it makes ejector pad 17 move left to rotate second threaded rod 18, make spring 16 compressed, can adjust the prestressing force that buffer beam 10 applyed bottom plate 6, under the great condition of prestressing force, after drilling rod 9 and camshaft contact, can reduce the distance of bottom plate 6 back right motion after punching, improve drilling efficiency.

The working principle of the embodiment is as follows:

the camshaft is fixed by using a clamp 11, a second threaded rod 18 is rotated to enable a push block 17 to move in a sleeve 15, the length of a spring 16 is changed, the prestress of a buffer rod 10 on a bottom plate 6 is further adjusted, a second motor 7 operates to drive a driving gear 13 to rotate, the driving gear 13 drives a connecting shaft 19 to rotate through a driven gear 12, a drill rod 9 is further rotated, a first motor 2 drives a first threaded rod 3 to rotate, an installation plate 4 is enabled to move towards the clamp 11 on a working platform 1, the drill rod 9 is in contact with the camshaft, the stand 14 extrudes the spring 16 to move in the sleeve 15, rigid collision between the drill rod 9 and the camshaft is avoided, the camshaft is drilled until the force of the spring 16 on the stand 14 is enough to drill the camshaft, holes meeting the drilling requirements are drilled in the number and the positions of the camshaft once, the camshaft is prevented from being required to be moved in the drilling process, and the drilling accuracy and the drilling efficiency are improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The axial punching device for the camshaft comprises a working platform and is characterized in that the top end of the working platform is connected with a mounting plate in a sliding mode, the bottom end of the mounting plate is connected with a driving mechanism, a bottom plate is fixedly arranged at the top end of the mounting plate, a fixing frame is fixedly connected to the left side of the top end of the bottom plate, a second motor is fixedly connected to the right side of the top end of the bottom plate, and an output end of the second motor is fixedly connected with a driving gear;

the fixed frame is provided with more than two connecting shafts in a penetrating and rotating manner, the left end of each connecting shaft is connected with a drill rod through a chuck, the right end of each connecting shaft is fixedly connected with a driven gear, and the driven gear is meshed with the driving gear;

and a clamp is fixedly connected to the left side of the top end of the working platform, and the position of the clamp corresponds to that of the drill rod.

2. The axial camshaft drilling device as claimed in claim 1, wherein the driving mechanism comprises a first motor, the first motor is fixedly mounted at the right end of the working platform, a first threaded rod is fixedly connected to an output end of the first motor, and the first threaded rod is in threaded transmission connection with the bottom of the mounting plate.

3. The axial punching device for the camshaft according to claim 1, wherein a slide rail is fixedly connected to the top end of the mounting plate, the bottom plate is slidably connected to the slide rail, a buffer rod is fixedly connected to the right end of the bottom plate, and the right end of the buffer rod is fixedly connected to the mounting plate.

4. The axial punching device for the camshaft according to claim 3, wherein the buffer rod comprises a vertical column, a sleeve is slidably connected to the right side portion of the vertical column, the right end of the sleeve is fixedly connected with the mounting plate, a push block is slidably arranged inside the sleeve, a spring is arranged between the vertical column and the push block, the left end of the push block abuts against the spring, a second threaded rod is rotatably connected to the right end of the push block, and the second threaded rod is in threaded connection with the sleeve.