Inner star wheel measuring machine

Abstract

The utility model relates to an internal star wheel measuring machine, which belongs to the technical field of internal star wheel production and comprises a fixed seat, and a plurality of rotating grooves are arranged in the fixed seat. The beneficial effects of the utility model lie in that through the rotation of the worm, the worm gear can be utilized to drive the plurality of rotating seats to rotate slowly so as to drive the inner star wheel body to rotate, and at the same time, the detection probe on the dial indicator can be pushed by the outer peripheral wall of the inner star wheel body, and through the effect of the cooperation assembly, the detection accuracy is improved. The dial indicator can generate horizontal transverse movement after being extruded by external force, so that the detection probe can be always attached to the outer peripheral wall of the inner star wheel body, and compared with a traditional mode that a worker holds the inner star wheel body by hand, the mode reduces the space of manual operation, reduces the labor amount of the worker, and improves the working efficiency. And the outer radians of a plurality of inner star wheel bodies can be measured at one time, so that the large-batch production requirements of factories can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of inner star wheel, especially relates to a inner star wheel measuring machine. BACKGROUND

[0002] With the rapid development of automobile industry, constant velocity joint occupies the important position of automobile drive shaft industry with its unique constant angular velocity torque transmission and superior mechanical properties, and the quality of constant velocity joint processing and manufacturing is related to the service performance and life of product, inner star wheel as important part of constant velocity joint must pass through relevant size detection before assembly, so that the inner star wheel put into use meets the standard, the measurement of inner star wheel includes radian detection and ball track radius difference and other performance parameters.

[0003] Through the retrieval, China patent discloses a kind of radian detection device for inner star wheel (authorized announcement number CN211085066U), including fixed seat, with the vertical plate of fixed position of fixed seat upper surface near its edge, inner star wheel on the upper surface of fixed seat and the dial gauge for measuring radian installed on vertical plate, the upper circular arc sliding groove and lower circular arc sliding groove are opened on the side wall of the inner star wheel, steel ball is fixed on the side wall near the side of vertical plate of inner star wheel, first sliding groove is opened on the vertical plate, the measuring end of dial gauge is penetrated first sliding groove, adjusting assembly for adjusting the vertical movement of dial gauge is installed on the vertical plate, the patent technology can adjust the height of dial gauge by adjusting assembly, so that the measuring end of dial gauge can detect the radian of different height of inner star wheel.

[0004] But the above-mentioned device still has some shortcomings in actual use, more obvious is that the above-mentioned device detects the radian of inner star wheel, need staff to hold inner star wheel and push all the time, when facing the detection of factory bulk, this mode is not up to the task, not only increase the labor of staff, and manual measurement efficiency is low, cannot adapt to the measurement demand of factory bulk. UTILITY MODEL CONTENTS

[0005] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a kind of inner star wheel measuring machine.

[0006] The utility model discloses a technical scheme is such: a kind of inner star wheel measuring machine, including fixed seat, the inside of the fixed seat is equipped with several rotating grooves, rotating seat is rotatably installed in the inside of rotating groove, the outside of rotating seat is all fixedly connected with worm wheel, the top of rotating seat is all provided with inner star wheel body, the inside of rotating seat is equipped with wheel groove for cooperation with inner star wheel body, wheel groove is engaged with inner star wheel body, the inside of fixed seat is provided with worm, the worm wheel is all engaged with worm connection, the inside of fixed seat and located rotating seat one side are all provided with dial gauge, dial gauge is fixedly installed with detection probe on the side close to inner star wheel body.

[0007] By using the above technical scheme, through the rotation of the worm, the worm wheel can drive the slow rotation of the plurality of rotating seats, and then the inner star wheel body can be driven to rotate. At the same time, the detection probe on the dial gauge will be pushed by the outer peripheral wall of the inner star wheel body. Through the action of the matching assembly, the dial gauge can be horizontally moved after being extruded by external force, and then the detection probe can always be in close contact with the outer peripheral wall of the inner star wheel body.

[0008] As a preferred embodiment, the bottom end of the dial gauge is provided with a matching assembly, the matching assembly includes a sliding block fixedly connected to the bottom end of the dial gauge, the inside of the fixed seat and located on one side of the rotating seat is equipped with a sliding groove, the inside of the sliding groove is fixedly connected with a fixed rod, the sliding block is slidingly connected with the outside of the fixed rod, and the outside of the fixed rod and located on one side of the sliding block is sleeved with a spring.

[0009] By using the above technical scheme, the detection probe on the dial gauge can always be in close contact with the outer peripheral wall of the inner star wheel body through the reaction force of the spring to push the dial gauge to move to one side of the rotating seat.

[0010] As a preferred embodiment, the two sides of the detection probe are rotatably installed with rollers, and the rollers are in close contact with the outer peripheral wall of the inner star wheel body.

[0011] By using the above technical scheme, through the use of the rollers, the rotation of the inner star wheel body can be matched to avoid damage to the detection probe caused by excessive extrusion force.

[0012] As a preferred embodiment, the inside of the fixed seat and located on the outer periphery of the rotating groove is equipped with an installation groove two, and the worm wheel is arranged in the inside of the installation groove two.

[0013] By using the above technical scheme, through the setting of the installation groove two, the worm wheel can be stored to ensure the normal operation of the worm wheel.

[0014] As a preferred implementation, the inside of the fixed seat is provided with a mounting groove one on one side of the mounting groove two, and the worm is rotatably mounted in the mounting groove one.

[0015] By adopting the above technical scheme, the mounting groove one is arranged to provide a certain movement and mounting space for the worm.

[0016] As a preferred implementation, the outside of the fixed seat is fixedly provided with a servo motor, and the output shaft of the servo motor extends into the mounting groove one and is fixedly connected with the worm.

[0017] By adopting the above technical scheme, the output shaft of the servo motor is rotated to drive the worm to rotate, so that the power transmission can be realized.

[0018] As a preferred implementation, the inner wall of the wheel groove is fixedly connected with a positioning column, and the positioning column is clamped with the hole of the inner star wheel body.

[0019] By adopting the above technical scheme, the positioning column is arranged to position the installation of the inner star wheel body.

[0020] As a preferred implementation, the inside of the fixed seat is externally provided with a controller, and the servo motor is electrically connected with the controller.

[0021] By adopting the above technical scheme, the controller is arranged to control the start and stop of the servo motor.

[0022] Compared with the prior art, the advantages and positive effects of the utility model are that,

[0023] 1. In the utility model, the worm is rotated to drive the plurality of rotating seats to slowly rotate, and then drive the inner star wheel body to rotate, and the detection probe on the dial gauge is pushed by the outer circumferential wall of the inner star wheel body, and through the action of the matching assembly, the dial gauge is horizontally moved after being extruded by the external force, and then the detection probe is always attached to the outer circumferential wall of the inner star wheel body, compared with the traditional mode that the staff holds the inner star wheel body, the mode reduces the space of manual operation, reduces the labor amount of the staff, and a plurality of outer radii of the inner star wheel body can be measured at a time, so that the production demand of the factory in large quantities can be met.

[0024] 2. In the utility model, when the dial gauge is resisted by the outside, the sliding block is moved to the side of the spring, and then the spring is extruded to be locked, and when the dial gauge is not resisted by the outside, the dial gauge is moved to the side of the rotating seat through the reaction force of the spring, so that the detection probe on the dial gauge is always attached to the outer circumferential wall of the inner star wheel body. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A whole perspective view of the inner star wheel measuring machine is provided for the utility model;

[0026] Figure 2 A partial exploded view of the inner star wheel measuring machine is provided for the utility model;

[0027] Figure 3 An internal structure schematic view of the inner star wheel measuring machine is provided for the utility model;

[0028] Figure 4 A dial gauge structure schematic view of the inner star wheel measuring machine is provided for the utility model;

[0029] Figure 5 A sectional view of the inner star wheel measuring machine is provided for the utility model.

[0030] Legend: 1, fixed seat; 2, servo motor; 3, inner star wheel body; 4, rotating groove; 5, dial gauge; 6, rotating seat; 7, worm wheel; 8, wheel groove; 9, installation groove one; 10, worm; 11, roller; 12, detection probe; 13, sliding groove; 14, fixed rod; 15, sliding block; 16, spring; 17, installation groove two. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0032] REFERENCE Figures 1-5The utility model relates to an inner star wheel measuring machine, including fixed seat 1, the inside of fixed seat 1 is equipped with a plurality of rotating grooves 4, the inside of rotating groove 4 is all rotatoryly installed rotating seat 6, the outside of rotating seat 6 is all fixedly connected with worm wheel 7, the top of rotating seat 6 is all provided with inner star wheel body 3, the inside of rotating seat 6 is equipped with wheel groove 8 with the cooperation of inner star wheel body 3, wheel groove 8 is engaged with inner star wheel body 3, the inside of fixed seat 1 is provided with worm 10, and worm wheel 7 is all engaged with worm 10, and the inside of fixed seat 1 and located rotating seat 6's one side is all provided with dial gauge 5, and dial gauge 5 is fixedly installed with detection probe 12 on the side close to inner star wheel body 3, when needing to measure the large quantities of inner star wheel body 3, can place inner star wheel body 3 in corresponding wheel groove 8, and through the rotation of worm 10, can utilize worm wheel 7 to drive a plurality of rotating seat 6 to rotate slowly, further can drive inner star wheel body 3 to rotate, simultaneously, the detection probe 12 on dial gauge 5 will be pushed by the outer circumferential wall of inner star wheel body 3, and through the effect of cooperation assembly, can make dial gauge 5 produce horizontal transverse movement after being extruded by external force, further can make detection probe 12 always be attached with the outer circumferential wall of inner star wheel body 3, compared with the traditional staff hand-held inner star wheel body 3 mode, this mode reduces the space of manual operation, reduces the labor intensity of staff, and can measure the outer arc of a plurality of inner star wheel body 3 once, to satisfy the production demand of factory large quantities.

[0033] Specifically, the bottom end of the dial gauge 5 is provided with a matching assembly, the matching assembly includes a sliding block 15 fixedly connected to the bottom end of the dial gauge 5, the inside of the fixed seat 1 and located on one side of the rotating seat 6 is provided with a sliding groove 13, the inside of the sliding groove 13 is fixedly connected with a fixed rod 14, when the dial gauge 5 is resisted by the outside, the sliding block 15 is pushed to move to one side of the spring 16, thereby extruding the spring 16 to generate locking, and when the dial gauge 5 is not resisted by the outside, the dial gauge 5 is pushed to move to one side of the rotating seat 6 by the reaction force of the spring 16, thereby ensuring that the detection probe 12 on the dial gauge 5 is always attached to the outer circumferential wall of the inner star wheel body 3, the sliding block 15 is slidingly connected with the outside of the fixed rod 14, the outside of the fixed rod 14 and located on one side of the sliding block 15 is sleeved with a spring 16, both sides of the detection probe 12 are rotatably installed with a roller 11, by using the roller 11, the rotation path of the inner star wheel body 3 can be matched, to avoid the detection probe 12 from being damaged by excessive extrusion force, the roller 11 is attached to the outer circumferential wall of the inner star wheel body 3, the inside of the fixed seat 1 and located on the outer circumferential of the rotating groove 4 is provided with a mounting groove two 17, by providing the mounting groove two 17, the worm wheel 7 can be stored to ensure the normal operation of the worm wheel 7, and the worm wheel 7 is arranged in the inside of the mounting groove two 17.

[0034] Specific, the inside of the fixed seat 1 and located on one side of the installation groove two 17 is provided with installation groove one 9, the worm 10 is rotatably mounted in the installation groove one 9, through the installation groove one 9, the worm 10 can be provided with a certain activity and installation space, the outside of the fixed seat 1 is fixedly installed with servo motor 2, the output shaft of servo motor 2 extends to the inside of the installation groove one 9 and is fixedly connected with the worm 10, through the rotation of the output shaft of servo motor 2, the worm 10 can be driven to rotate, so as to realize the transmission of power, the inner wall of the wheel groove 8 is fixedly connected with the positioning column, the positioning column is engaged with the hole of the inner star wheel body 3, through the setting of the positioning column, the installation of the inner star wheel body 3 is positioned, so as to improve the installation efficiency of the inner star wheel body 3, the inside of the fixed seat 1 is externally connected with the controller, the servo motor 2 is electrically connected with the controller, through the setting of the controller, the servo motor 2 can be controlled to start and stop.

[0035] Working principle: first, when a large number of inner star wheel body 3 needs to be measured, the inner star wheel body 3 can be placed in the corresponding wheel groove 8 according to the position of the positioning column in the wheel groove 8, then, the servo motor 2 is started by the external controller, and the worm 10 is driven to rotate, so that the worm wheel 7 drives the plurality of rotating seats 6 to rotate slowly, thereby driving the inner star wheel body 3 to rotate, at the same time, the detection probe 12 on the dial gauge 5 is pushed by the outer peripheral wall of the inner star wheel body 3, and through the action of the sliding block 15, the spring 16 and the fixed rod 14, the dial gauge 5 can be horizontally moved after being extruded by the external force, thereby the detection probe 12 is always in contact with the outer peripheral wall of the inner star wheel body 3, and through the use of the roller 11, the rotation of the inner star wheel body 3 can be matched, so as to avoid the damage of the detection probe 12 caused by the large extrusion force, compared with the traditional way of holding the inner star wheel body 3 by the staff, the space of manual operation is reduced, the labor of the staff is reduced, and the outer arc of a plurality of inner star wheel bodies 3 can be measured at one time, after the detection is completed, the inner star wheel body 3 in the wheel groove 8 can be taken out for the next measurement operation.

[0036] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "installation" "provided with" "connection" and the like should be understood broadly, for example, "connection", can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0037] The above merely describes the preferred embodiments of the present application, and is not used to limit the present application, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An internal star wheel measuring machine, comprising a fixed base (1), characterized in that: The fixed base (1) has several rotating slots (4) inside, and a rotating seat (6) is rotatably installed inside each of the rotating slots (4). A worm gear (7) is fixedly connected to the outside of each rotating seat (6), and an inner star wheel body (3) is provided at the top of each rotating seat (6). The rotating seat (6) has a groove (8) inside that works with the inner star wheel body (3). The groove (8) engages with the inner star wheel body (3). The fixed seat (1) has a worm (10) inside. The worm wheels (7) are all meshed with the worm (10). The fixed seat (1) has a dial indicator (5) inside and on one side of the rotating seat (6). The dial indicator (5) has a detection probe (12) fixedly installed on the side of the dial indicator (5) near the inner star wheel body (3).

2. The internal star wheel measuring machine according to claim 1, characterized in that: The dial indicator (5) is provided with a mating component at its bottom end. The mating component includes a slider (15) fixedly connected to the bottom end of the dial indicator (5). The fixed seat (1) is provided with a groove (13) inside and on one side of the rotating seat (6). A fixed rod (14) is fixedly connected inside the groove (13). The slider (15) is slidably connected to the outside of the fixed rod (14). A spring (16) is sleeved on the outside of the fixed rod (14) and on one side of the slider (15).

3. The internal star wheel measuring machine according to claim 1, characterized in that: Rollers (11) are rotatably mounted on both sides of the detection probe (12), and the rollers (11) are in contact with the outer peripheral wall of the inner star wheel body (3).

4. The internal star wheel measuring machine according to claim 1, characterized in that: The mounting groove 2 (17) is provided inside the fixed base (1) and on the outer periphery of the rotating groove (4), and the worm gear (7) is provided inside the mounting groove 2 (17).

5. The internal star wheel measuring machine according to claim 1, characterized in that: The mounting base (1) has a mounting slot (9) inside and on one side of the mounting slot (17), and the worm gear (10) is rotatably mounted inside the mounting slot (9).

6. The internal star wheel measuring machine according to claim 1, characterized in that: A servo motor (2) is fixedly installed on the outside of the fixed base (1). The output shaft of the servo motor (2) extends into the interior of the mounting groove (9) and is fixedly connected to the worm gear (10).

7. The internal star wheel measuring machine according to claim 1, characterized in that: The inner wall of the wheel groove (8) is fixedly connected to a positioning post, which engages with the hole of the inner star wheel body (3).

8. The internal star wheel measuring machine according to claim 6, characterized in that: The fixed base (1) has a controller connected to its interior, and the servo motor (2) is electrically connected to the controller.

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