CN211926787U - A camshaft measuring instrument - Google Patents

Abstract

The utility model discloses a camshaft measuring instrument, which comprises a base, an electric cylinder and a servo motor. A support block is fixedly arranged on one end of the base away from the servo motor, and a rotating shaft is rotatably arranged in the support block. One end of the shaft away from the support block is fixedly connected with a first top block, the first top block, and one end of the base away from the first top block is provided with a sliding groove, and the clamping plate is rotatably arranged with the first top block. The second top block used in conjunction with the top block, the clamping plate is provided with a screw rod, the end of the screw rod away from the fixing plate is fixedly provided with a rotating handle, and the end of the base away from the electric cylinder is fixedly provided with a detection track, A distance sensor is fixedly arranged on the detection board, and a controller is fixedly arranged at one end of the base away from the servo motor. The utility model measures the data in the axial and circumferential directions of the surface of the camshaft through the coordinated use of an electric cylinder, a servo motor and a distance sensor.

Description

A camshaft measuring instrument

technical field

The utility model relates to the technical field of camshaft manufacturing, in particular to a camshaft measuring instrument.

Background technique

The camshaft is an important component of the piston engine. The opening and closing of the valve is controlled by the camshaft. The manufacture and accuracy of the camshaft will directly affect the accuracy of the valve control and greatly affect the performance of the engine. Therefore, it is necessary to The axial and circumferential directions of the camshaft are measured to check whether the data of the camshaft conforms to the specification. The traditional device has complex structure, huge volume and high use cost, which cannot meet the needs of users.

Utility model content

The purpose of the present invention is to provide a camshaft measuring instrument to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a camshaft measuring instrument, comprising a base, an electric cylinder and a servo motor, the electric cylinder and the base are fixedly connected, the servo motor and the base are fixedly connected, and the base is fixedly connected. A support block is fixedly arranged at one end away from the servo motor, and a rotating shaft is rotatably arranged in the support block. The rotating shaft is fixedly connected with the support block through a bearing, and the rotating shaft is connected with the output shaft of the servo motor through a coupling. , a first top block is fixedly connected to the end of the rotating shaft away from the support block, the first top block, and one end of the base away from the first top block is provided with a sliding groove, and a sliding groove is provided in the sliding groove. A sliding block, a clamping plate is fixedly arranged on the sliding block, a second top block that cooperates with the first top block is rotatably arranged in the clamping plate, a screw rod is arranged on the clamping plate, and the screw rod is arranged on the clamping plate. The mounting seat is connected to the clamping plate, the screw is threadedly connected with a fixing plate, the fixing plate is fixedly connected to the base, the end of the screw that is away from the fixing plate is fixedly provided with a rotating handle, and the base is away from the electric cylinder. A detection track is fixedly arranged at one end of the detection track, and a number of sliding blocks that cooperate with it are slidably arranged on the detection track. A detection plate is fixedly arranged on the upper end of the sliding block, and a distance sensor is fixedly arranged on the detection plate. The thread is connected with the piston rod of the electric cylinder, and a controller is fixedly arranged on one end of the base away from the servo motor.

Preferably, the input end of the electric cylinder is electrically connected with the output end of the controller, and the model of the electric cylinder is JST-S4-ZF-009.

Preferably, the input end of the servo motor is electrically connected to the output end of the controller, and the signal of the servo motor is D180M-0250030C-E.

Preferably, the number of the sliding blocks is two, and the sliding blocks and the detection board are connected by screws.

Preferably, the distance sensor is a laser distance sensor, the laser distance meter FT 50 RLA-40-S-K5, the distance sensor is electrically connected to the controller, the distance sensor is connected to the first top block and the Used in conjunction with the second top block.

Preferably, the first top block and the second top block are respectively circular truncated structures, the distances between the first top block and the second top block from the base are the same, and the outer surfaces of the first top block and the second top block are The surfaces are all fixed with a rubber layer.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model starts the distance sensor through the controller, and the distance sensor is located at the upper end of the camshaft. The distance from the surface of the camshaft to the distance sensor probe is measured by the distance sensor, and the servo motor is started. After the servo motor moves, the rotating shaft is driven to rotate, and the rotating shaft The rotation drives the first top block to rotate, the first top block rotates to drive the camshaft to rotate, and the data in the circumferential direction of the camshaft surface is measured by the rotation distance sensor of the camshaft;

2. The utility model drives the detection plate to slide on the detection track through the movement of the electric cylinder, the detection plate drives the distance sensor to move axially along the camshaft, and the distance sensor detects the data on the axial surface of the camshaft, which has a simple structure, The advantages of convenient use and good use effect.

Description of drawings

Fig. 1 is the front structure schematic diagram of a kind of camshaft measuring instrument of the present invention;

Fig. 2 is a top-view structural schematic diagram of a camshaft measuring instrument of the present invention;

FIG. 3 is a schematic view of the side structure of a camshaft measuring instrument of the present invention.

In the figure: 1. Base; 2. Electric cylinder; 3. Servo motor; 4. Support block; 5. Rotating shaft; 6. First top block; 7. Sliding groove; 8. Slider; 9. Clamping plate; 10. Second top block; 11. Screw; 12. Fixed plate; 13. Turning handle; 14. Detection track; 15. Slide block; 16. Detection plate; 17. Distance sensor; 18. Controller.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a camshaft measuring instrument, comprising a base 1, an electric cylinder 2 and a servo motor 3, the electric cylinder 2 is fixedly connected with the base 1, and the servo motor 3 and the base 1 Fixed connection, the end of the base 1 away from the servo motor 3 is welded with a support block 4, a rotating shaft 5 is installed in the support block 4, the rotating shaft 5 is fixedly connected to the support block 4 through a bearing, and the rotating shaft 5 is connected to the servo through a coupling. The output shaft of the motor 3 is connected, the end of the rotating shaft 5 away from the support block 4 is fixedly connected with the first top block 6, the first top block 6, and the end of the base 1 away from the first top block 6 is provided with a sliding groove 7, which slides A sliding block 8 is slidably installed in the groove 7, a clamping plate 9 is welded on the sliding block 8, and a second top block 10 for use with the first top block 6 is rotatably installed in the clamping plate 9, and the clamping plate 9 is installed on the There is a screw 11, the screw 11 is connected with the clamping plate 9 through a bearing, a fixing plate 12 is threadedly connected to the screw 11, the fixing plate 12 is fixedly connected with the base 1, and a rotating handle 13 is fixedly installed on the end of the screw 11 away from the fixing plate 12, A detection track 14 is welded on the end of the base 1 away from the electric cylinder 2, and a plurality of sliding blocks 15 are slidably installed on the detection track 14. The upper end of the sliding block 15 is welded with a detection plate 16, and a distance sensor 17 is fixedly installed on the detection plate 16. , the detection plate 16 is connected with the piston rod of the electric cylinder 2 through threads, and the controller 18 is fixedly installed on the end of the base 1 away from the servo motor 3 .

The input end of the electric cylinder 2 is electrically connected to the output end of the controller 18, and the model of the electric cylinder 2 is JST-S4-ZF-009.

The input end of the servo motor 3 is electrically connected with the output end of the controller 18, and the signal of the servo motor 3 is D180M-0250030C-E.

The number of the sliding blocks 15 is two, and the sliding blocks 15 and the detection board 16 are connected by screws.

The distance sensor 17 is a laser distance sensor, a laser distance meter FT 50RLA-40-S-K5, the distance sensor 17 is electrically connected with the controller 18, and the distance sensor 17 is used in conjunction with the first top block and the second top block.

The first top block 6 and the second top block 10 are respectively circular truncated structures, the distances between the first top block and the second top block from the base 1 are the same, and the outer surfaces of the first top block 6 and the second top block 10 are both adhered with rubber layer.

Working principle: When the utility model is used, the centers of the two ends of the camshaft correspond to the first top block 6 and the second top block 10 respectively, and the screw 11 is driven to move by rotating the handle, and the screw 11 drives the clamping plate 9 in the chute. Sliding, the clamping plate 9 drives the second top block 10 to move toward the first top block 6, the camshaft is clamped by the first top block 6 and the second top block 10, and the distance sensor 17 is activated by the controller 18, and the distance sensor 17 Located at the upper end of the camshaft, the distance sensor 17 is used to measure the distance between the surface of the camshaft and the probe of the distance sensor 17, and the servo motor 3 is activated. , the rotation of the first top block 6 drives the camshaft to rotate, the data in the circumferential direction of the camshaft surface is measured by the rotation distance sensor 17 of the camshaft, and then the servo motor 3 is stopped, and the electric cylinder 2 is started. The movement of the electric cylinder 2 drives the detection plate 16 to Sliding on the detection track 14, the detection plate 16 drives the distance sensor 17 to move axially along the camshaft, the axial surface of the camshaft is detected by the distance sensor 17, and the detected data is transmitted to the controller 18, which has the advantages of simple structure and convenient use. , Use the advantages of good effect.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A camshaft measuring instrument, comprising a base (1), an electric cylinder (2) and a servo motor (3), characterized in that: the electric cylinder (2) is fixedly connected with the base (1), and the servo motor (3) is fixedly connected with the base (1), a support block (4) is fixedly arranged on the end of the base (1) away from the servo motor (3), and a rotating shaft (5) is rotatably arranged in the support block (4). ), the rotating shaft (5) is fixedly connected to the support block (4) through a bearing, the rotating shaft (5) is connected to the output shaft of the servo motor (3) through a coupling, and the rotating shaft (5) is connected to the output shaft of the servo motor (3). A first top block (6) is fixedly connected to one end away from the support block (4), the first top block (6), and one end of the base (1) away from the first top block (6) is provided with a sliding groove (7), a slider (8) is slidably arranged in the sliding groove (7), a clamping plate (9) is fixedly arranged on the slider (8), and the clamping plate (9) is rotatably arranged in the inner There is a second top block (10) used in cooperation with the first top block (6), the clamping plate (9) is provided with a screw (11), and the screw (11) is connected to the clamping plate (9) through a bearing ) connection, the screw (11) is threadedly connected with a fixing plate (12), the fixing plate (12) is fixedly connected with the base (1), and the end of the screw (11) away from the fixing plate (12) is fixed A turning handle (13) is provided, and a detection track (14) is fixedly arranged on the end of the base (1) away from the electric cylinder (2), and a plurality of sliding blocks ( 15), a detection plate (16) is fixedly arranged on the upper end of the sliding block (15), a distance sensor (17) is fixedly arranged on the detection plate (16), and the detection plate (16) is connected to an electric cylinder ( 2) is connected with the piston rod, and a controller (18) is fixedly arranged on one end of the base (1) away from the servo motor (3). 2. A camshaft measuring instrument according to claim 1, characterized in that: the input end of the electric cylinder (2) is electrically connected with the output end of the controller (18), and the electric cylinder (2) The model number is JST-S4-ZF-009. 3. A camshaft measuring instrument according to claim 1, characterized in that: the input end of the servo motor (3) is electrically connected with the output end of the controller (18), and the servo motor (3) The signal is D180M-0250030C-E. 4 . The camshaft measuring instrument according to claim 1 , wherein the number of the sliding blocks ( 15 ) is two, and the sliding blocks ( 15 ) and the detection plate ( 16 ) are connected by screws. 5 . . 5. A camshaft measuring instrument according to claim 1, characterized in that: the distance sensor (17) is a laser distance sensor, the laser distance meter FT 50RLA-40-S-K5, the The distance sensor (17) is electrically connected with the controller (18), and the distance sensor (17) is used in cooperation with the first top block (6) and the second top block (10). 6. A camshaft measuring instrument according to claim 1, characterized in that: the first top block (6) and the second top block (10) are respectively circular truncated structures, and the first top block ( 6) The distance from the second top block (10) to the base (1) is the same, and the outer surfaces of the first top block (6) and the second top block (10) are fixedly provided with a rubber layer.

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