Index plate

Abstract

The utility model relates to the technical field of engine positioning devices, and discloses an index plate which comprises a base, a transmission assembly, a mounting seat, a chuck and a telescopic spring. By arranging the chuck, the mounting base and the telescopic spring, during indexing, only the engine needs to be arranged on the top face of the chuck and located in the mounting groove, and due to the fact that the telescopic spring sleeves the connecting rod, after the engine is placed on the chuck, the telescopic spring can be compressed, and the chuck and the connecting rod move downwards; then the motor is started to drive the chuck to rotate until the clamping strip and the clamping groove rotate to the corresponding position, and at the moment, the telescopic spring can move the clamping strip upwards to be clamped with the clamping groove, so that connection with the engine is achieved, and the situation that the clamping strip is disengaged from the engine during angle indexing is avoided; therefore, the indexing angle can be smoothly finished, and the production quality of the engine is further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to engine positioning device technical field, in particular to a protractor. BACKGROUND

[0002] At present, before the automatic installation of the engine of the automobile, the engine needs to be installed on the protractor to automatically index angle, but the existing protractor is easy to disengage from the engine when driving the engine to rotate, thereby leading to the indexing position of the engine not in place, which affects the production quality. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a protractor which can avoid disengaging from the engine when indexing angle, ensure that the indexing angle can be smoothly completed, and further ensure the production quality.

[0004] In order to realize the above-mentioned purpose, the utility model provides a protractor for indexing engine, the bottom surface of the engine has a clamping groove, comprising: a base, a transmission assembly, a mounting seat, a chuck and an extension spring, the transmission assembly comprises a fixed seat, a motor and a connecting rod, the fixed seat and the motor are arranged on the top surface of the base, the top surface of the fixed seat has a transmission hole, the connecting rod is rotatably connected to the transmission hole and can slide up and down along the transmission hole, the output end of the motor extends into the transmission hole and is in transmission connection with the connecting rod, and the motor is used for driving the connecting rod to rotate, the mounting seat is arranged above the fixed seat, and the top surface of the mounting seat has a mounting groove, the bottom surface of the mounting seat has a sliding hole, the sliding hole and the mounting groove are in communication, the top end of the connecting rod passes through the sliding hole into the mounting groove, and the inner peripheral side wall of the mounting groove is further provided with a convex edge, the chuck is arranged at the top end of the connecting rod and located in the mounting groove, the top surface of the chuck has a clamping strip, and the clamping strip is adapted to the clamping groove, the extension spring is sleeved on the connecting rod, and the top end of the extension spring abuts against the bottom surface of the chuck through the sliding hole, and the bottom end of the extension spring abuts against the top surface of the fixed seat.

[0005] Optionally, the clamping strip is arranged at the edge of the chuck and extends upward along the edge of the chuck.

[0006] Optionally, the motor is a stepping motor.

[0007] Optionally, the base further comprises a supporting plate, the supporting plate comprises a first plate body and a second plate body, the first plate body is arranged on the top surface of the base and extends along the height direction of the base, and is arranged spaced apart from the fixing seat, the second plate body is arranged on the side of the first plate body facing the fixing seat and extends towards the fixing seat above the fixing seat, the bottom surface of the second plate body is provided with a communication hole penetrating through the second plate body, the mounting seat is arranged on the top surface of the second plate body, and the top end of the connecting rod sequentially penetrates through the communication hole and the sliding hole to be connected with the chuck.

[0008] Optionally, the transmission assembly further comprises a bearing, the bearing is sleeved on the connecting rod and located in the transmission hole.

[0009] Optionally, the base further comprises a gasket, the gasket is arranged on the top surface of the fixing seat and sleeved on the connecting rod, and the bottom end of the telescopic spring abuts against the top surface of the gasket.

[0010] Optionally, the base further comprises a photoelectric sensor, the photoelectric sensor is arranged on the base, and the detection end of the photoelectric sensor corresponds to the engine arranged on the mounting seat.

[0011] Optionally, the base further comprises a supporting seat, the supporting seat is arranged on the bottom surface of the base and is in the shape of a prism, and the area of the bottom surface of the supporting seat is greater than the area of the top surface of the supporting seat.

[0012] Compared with the prior art, the application has the beneficial effects that: by arranging the chuck, the mounting seat and the telescopic spring, when indexing, the engine is only needed to be arranged on the top surface of the chuck and located in the mounting groove, since the telescopic spring is sleeved on the connecting rod, after the engine is placed on the chuck, the telescopic spring is compressed, the chuck and the connecting rod are moved downwards until the bottom surface of the engine abuts against the top surface of the convex edge, then the motor is started to drive the chuck to rotate until the clamping strip and the clamping groove are rotated to the corresponding positions, at this time, the telescopic spring moves the clamping strip upwards and clamps the clamping groove to realize the connection with the engine, avoids the disengagement of the engine during indexing, thereby ensuring the smooth completion of indexing and the production quality of the engine. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the engine and the index plate of the utility model embodiment;

[0014] Figure 2 is a bottom view of the engine of the utility model embodiment;

[0015] Figure 3 is a structural schematic view of the index plate of the utility model embodiment;

[0016] Figure 4 is a side view of the index plate of the embodiment of the utility model;

[0017] Figure 5 is a sectional view of the embodiment of the utility model in A-A direction;

[0018] Figure 6 is the structure schematic view of the chuck of the embodiment of the utility model; Figure 5 is the enlarged view of B of the embodiment of the utility model;

[0019] Figure 7 is the structure schematic view of the chuck of the embodiment of the utility model;

[0020] In the figure, 1, base; 2, transmission assembly; 21, fixed seat; 211, transmission hole; 22, motor; 23, connecting rod; 24, bearing; 3, mounting seat; 31, installation groove; 32, sliding hole; 33, convex edge; 4, chuck; 41, clamping strip; 5, extension spring; 6, supporting plate; 61, first plate body; 62, second plate body; 621, communication port; 7, washer; 8, photoelectric sensor; 9, support; 10, engine; 101, clamping groove. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are described in further detail below in combination with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0022] In the description of the utility model, it should be understood that the terms "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] In addition, the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] As Figures 1-7As shown, the utility model discloses a dividing disc for dividing engine 10, the bottom surface of engine 10 has the clamping groove 101, comprising: base 1, transmission assembly 2, mounting seat 3, chuck 4 and extension spring 5, transmission assembly 2 includes fixed seat 21, motor 22 and connecting rod 23, fixed seat 21 and motor 22 are located at the top surface of base 1, the top surface of fixed seat 21 has transmission hole 211, connecting rod 23 is rotatably connected in transmission hole 211, and can slide up and down along transmission hole 211, the output end of motor 22 extends into transmission hole 211 and is drivingly connected with connecting rod 23, and motor 22 is used for driving connecting rod 23 to rotate, mounting seat 3 is located above fixed seat 21, and the top surface of mounting seat 3 has mounting groove 31, the bottom surface of mounting seat 3 has sliding hole 32, sliding hole 32 and mounting groove 31 are communicated, the top end of connecting rod 23 passes through sliding hole 32 into mounting groove 31, and the inner peripheral side wall of mounting groove 31 is further provided with convex edge 33, chuck 4 is located at the top end of connecting rod 23 and is located in mounting groove 31, the top surface of chuck 4 has clamping strip 41, and clamping strip 41 is adapted to clamping groove 101, extension spring 5 is sleeved on connecting rod 23, and the top end of extension spring 5 is abutted to the bottom surface of chuck 4 through sliding hole 32, and the bottom end of extension spring 5 is abutted to the top surface of fixed seat 21.

[0025] Based on the above scheme, the chuck 4, the mounting seat 3 and the extension spring 5 are arranged, so that when dividing, the engine 10 only needs to be arranged on the top surface of the chuck 4 and located in the mounting groove 31, since the extension spring 5 is sleeved on the connecting rod 23, after the engine 10 is placed on the chuck 4, the extension spring 5 is compressed, the chuck 4 and the connecting rod 23 are moved downward, until the bottom surface of the engine 10 is abutted to the top surface of the convex edge 33, then the motor 22 is started to drive the chuck 4 to rotate, until the clamping strip 41 is rotated to the corresponding position with the clamping groove 101, at this time, the extension spring 5 moves the clamping strip 41 upward and is clamped with the clamping groove 101, to realize the connection with the engine 10, avoid disengaging from the cooperation with the engine 10 when the angle is divided, so that the angle dividing can be smoothly completed, and the production quality of the engine 10 is ensured.

[0026] As shown in the figure, Figure 7 In order to facilitate the clamping of the clamping strip 41 and the clamping groove 101, the clamping strip 41 is arranged at the edge of the chuck 4 and extends upward along the edge of the chuck 4.

[0027] In some embodiments, in order to facilitate the clamping of the clamping strip 41 and the clamping groove 101, the clamping groove 101 is in the shape of a disc, the clamping strip 41 is in the shape of an arc, and the sliding surface of the clamping strip 41 is in the shape of an inclined surface.

[0028] Optionally, in order to ensure accuracy, the motor 22 is a stepping motor 22.

[0029] As shown in the figure, Figure 1 and Figure 3As shown, in order to ensure the stability of the mounting seat 3, also includes a supporting plate 6, the supporting plate 6 includes a first plate body 61 and a second plate body 62, the first plate body 61 is arranged on the top surface of the base 1, and extends along the height direction of the base 1, and is arranged spaced apart from the fixed seat 21, the second plate body 62 is arranged on the side of the first plate body 61 towards the fixed seat 21, and extends towards the fixed seat 21 to above the fixed seat 21, the bottom surface of the second plate body 62 has a communication port 621 penetrating through the second plate body 62, the mounting seat 3 is arranged on the top surface of the second plate body 62, the top end of the connecting rod 23 passes through the communication port 621 and the sliding hole 32 in turn, so as to be connected with the chuck 4.

[0030] As shown in the figure, Figure 5 In order to facilitate the control of the rotation of the connecting rod 23, the transmission assembly 2 further comprises a bearing 24, the bearing 24 is sleeved on the connecting rod 23 and located in the transmission hole 211.

[0031] As shown in the figure, Figure 5 In order to avoid the damage of the top surface of the fixed seat 21, a gasket 7 is further arranged on the top surface of the fixed seat 21, and the gasket 7 is sleeved on the connecting rod 23, and the bottom end of the extension spring 5 abuts against the top surface of the gasket 7.

[0032] As shown in the figure, Figure 3 In order to ensure the accuracy, a photoelectric sensor 8 is further arranged on the base 1, and the detection end of the photoelectric sensor 8 corresponds to the engine 10 arranged on the mounting seat 3, and the indexing accuracy is controlled by the photoelectric sensor.

[0033] As shown in the figure, Figure 3 In order to ensure the stability of the device, a support 9 is further arranged on the bottom surface of the base 1, and the support 9 is in the shape of a prism, and the area of the bottom surface of the support 9 is greater than the area of the top surface of the support 9.

[0034] In summary, the utility model discloses a protractor, which is provided with a chuck 4, a mounting seat 3 and an extension spring 5, so that when indexing, the engine 10 is only needed to be arranged on the top surface of the chuck 4 and located in the mounting groove 31, since the extension spring 5 is sleeved on the connecting rod 23, after the engine 10 is placed on the chuck 4, the extension spring 5 is compressed, the chuck 4 and the connecting rod 23 are moved downward, until the bottom surface of the engine 10 abuts against the top surface of the convex edge 33, then the motor 22 is started to drive the chuck 4 to rotate, until the clamping strip 41 is rotated to the corresponding position, at this time, the extension spring 5 moves the clamping strip 41 upward and clamps the clamping groove 101, so as to realize the connection with the engine 10, avoid the disengagement from the engine 10 during indexing, so as to ensure the smooth completion of indexing, and further ensure the production quality of the engine 10.

[0035] The above merely is the preferred implementation form of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. A protractor disc for protracting an engine, the bottom surface of said engine having a clamping slot, characterized by, The utility model relates to a base, transmission assembly, mounting seat, chuck and telescopic spring are included. The transmission assembly includes fixed seat, motor and connecting rod, the fixed seat and the motor are located the top surface of base, the top surface of fixed seat has transmission hole, the connecting rod is rotatably connected in transmission hole and can slide up and down along transmission hole, the output end of motor extends into transmission hole and is in transmission connection with connecting rod, and the motor is used for driving connecting rod rotation. The mounting seat is located above the fixed seat, and the top surface of the mounting seat has a mounting groove, the bottom surface of the mounting seat has a sliding hole, the sliding hole and the mounting groove are in communication, the top end of the connecting rod passes through the sliding hole into the mounting groove, and the inner circumferential side wall of the mounting groove is further provided with a convex edge. The chuck is provided on the top end of the connecting rod and located in the mounting groove, and the top surface of the chuck has a clamping strip which is matched with the clamping groove. The telescopic spring is sleeved on the connecting rod, and the top end of the telescopic spring abuts against the bottom surface of the chuck through the sliding hole, and the bottom end of the telescopic spring abuts against the top surface of the fixed seat. The clamping strip is arranged at the edge of the chuck and extends upward along the edge of the chuck.

2. The index plate of claim 1, wherein, The motor is a stepping motor.

3. The index plate of claim 1, wherein, Further comprising a supporting plate, the supporting plate includes a first plate body and a second plate body, the first plate body is arranged on the top surface of the base and extends along the height direction of the base, and is arranged spaced apart from the fixed seat, the second plate body is arranged on the side of the first plate body facing the fixed seat and extends towards the fixed seat above the fixed seat, the bottom surface of the second plate body has a communication opening penetrating the second plate body, the mounting seat is arranged on the top surface of the second plate body, and the top end of the connecting rod sequentially passes through the communication opening and the sliding hole to be connected with the chuck.

4. The index plate of claim 1, wherein, The transmission assembly further comprises a bearing, the bearing is sleeved on the connecting rod and located in the transmission hole.

5. The index plate of claim 1, wherein, Further comprising a gasket, the gasket is located on the top surface of the fixed seat and sleeved on the connecting rod, and the bottom end of the telescopic spring abuts against the top surface of the gasket.

6. The index plate of claim 1, wherein, Further comprising a photoelectric sensor, the photoelectric sensor is arranged on the base, and the detection end of the photoelectric sensor corresponds to the motor arranged on the mounting seat.

7. The index plate of claim 1, wherein, Further comprising a support, the support is arranged on the bottom surface of the base and is in the shape of a prism, and the area of the bottom surface of the support is greater than the area of the top surface of the support.

8. The index plate of claim 1, wherein, ​

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