Quick-change positioning assembly for motor rotating shaft

Abstract

The utility model relates to the technical field of motors, in particular to a quick-change positioning assembly for a rotating shaft of a motor, which is mounted at the output end of an output shaft of the motor and comprises a quick positioning assembly and a fixing seat. The motor output shaft is sleeved with the fixing base, and at least one positioning hole is formed in the motor output shaft. The quick positioning assembly is installed on the fixing base and comprises a button, a movable shaft and a positioning pin. According to the utility model, the motor output shaft is provided with the positioning hole, and the rapid positioning assembly composed of the fixed seat, the button, the movable shaft and the positioning pin is utilized, so that accurate positioning of the motor output shaft in the circumferential direction can be realized. Therefore, a user can rapidly install or replace the jig or the suction head, it is ensured that the position of the jig or the suction head does not deviate, the working efficiency is improved, the jig or the suction head on the output shaft of the motor can be installed and debugged more efficiently, and the preparation time and errors are reduced.

Description

Technical Field

[0001] This utility model relates to the field of motor technology, and in particular to a quick-change positioning component for a motor rotating shaft. Background Technology

[0002] Currently, the ZR robot (linear and rotary motor) is a type of robot that integrates linear and rotary motion functions. It is typically used in industrial applications requiring high precision and repeatability, such as 3C manufacturing, semiconductor processing, and precision assembly. In a ZR robot, the linear motor and rotary motor are separate and installed in different parts of the robot. The linear motor drives the robot's Z-axis linear motion, while the rotary motor drives the robot's R-axis rotation.

[0003] In the existing technology, when replacing the fixture or suction head on the motor output shaft, it is necessary to first adjust the angle of the motor output shaft and recalibrate it. This process is complicated and time-consuming, which affects work efficiency.

[0004] Therefore, a quick-change positioning assembly for the rotating shaft of a motor is needed to solve the above-mentioned technical problems. Utility Model Content

[0005] This invention aims to overcome the shortcomings of existing technologies by providing a quick-change positioning assembly for a motor's rotating shaft. By setting a positioning hole on the motor output shaft and utilizing a quick-positioning assembly composed of a fixed base, button, movable shaft, and positioning pin, this invention enables precise circumferential positioning of the motor output shaft. This allows users to quickly install or replace fixtures or suction heads, ensuring their position does not shift, improving work efficiency, and making the installation and adjustment of fixtures or suction heads on the motor output shaft more efficient, reducing preparation time and errors.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a quick-change positioning assembly for a motor rotating shaft, which is installed at the output end of the motor output shaft and includes a quick-positioning assembly and a fixed base;

[0007] The fixed seat is sleeved on the outside of the motor output shaft, and at least one positioning hole is provided on the motor output shaft;

[0008] The quick positioning assembly is mounted on a fixed base. The quick positioning assembly includes a button, a movable shaft, and a positioning pin. The button is connected to one end of the movable shaft, and the positioning pin is connected to the other end of the movable shaft. The axial movement of the movable shaft is used to insert or disengage the positioning pin from the positioning hole.

[0009] The movable shaft is fitted with an elastic reset element, which is a round wire spring, used to reset the locating pin.

[0010] Furthermore, the motor output shaft is mounted on the output end of the rotary motor, which is installed inside the motor housing. An auxiliary positioning hole is provided at the bottom of the motor housing, and the auxiliary positioning hole is a blind hole.

[0011] Furthermore, the fixed base has a through hole A, and one end of the movable shaft passes through the through hole A and is fixedly connected to the positioning pin.

[0012] Furthermore, the quick positioning assembly also includes a positioning plate, which is fixed to the outer wall of the fixed base to limit the travel range of the movable shaft.

[0013] Furthermore, the motor output shaft is fitted with a ball bearing.

[0014] Furthermore, the ball bearing has a through hole B, through which a locating pin passes and is inserted into the locating hole of the motor output shaft to lock the circumferential direction of the motor output shaft.

[0015] Furthermore, the outer surface of the button is provided with anti-slip texture or pressing groove.

[0016] Furthermore, the end of the positioning pin has a planar structure, a conical shape, or a spherical structure, which is used to form a guiding fit with the wall of the positioning hole.

[0017] Furthermore, two positioning holes are provided, and the two positioning blocks are symmetrically distributed vertically along the circumference of the motor output shaft.

[0018] Furthermore, the surface of the locating pin is coated with a wear-resistant coating, which is either titanium nitride or diamond-like carbon coating.

[0019] The advantages of this utility model are as follows: This utility model provides a quick-change positioning component for a motor rotating shaft, which has the following technical effects:

[0020] 1. Rapid and Precise Positioning: This invention achieves precise circumferential positioning of the motor output shaft by setting a positioning hole on the shaft and utilizing a rapid positioning assembly consisting of a fixed base, button, movable shaft, and positioning pin. This allows users to quickly install or replace fixtures or suction heads, ensuring their position does not shift, improving work efficiency, and making the installation and adjustment of fixtures or suction heads on the motor output shaft more efficient, reducing preparation time and errors.

[0021] 2. Easy to operate: This utility model includes a button with anti-slip texture or pressing groove on the outside. Simply pressing the button controls the insertion and disengagement of the positioning pin, which greatly simplifies the operation process and can complete the positioning operation without complicated tools or skills. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall assembly structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the motor housing;

[0025] Figure 3 This is a schematic diagram of the connection structure between the rapid positioning component and the motor output shaft in this utility model;

[0026] Figure 4 for Figure 3 A schematic diagram of the bottom structure;

[0027] Figure 5 This is a schematic diagram of the structure of the motor output shaft in this utility model;

[0028] Figure 6 This is an enlarged structural schematic diagram of the rapid positioning component in this utility model;

[0029] Figure 7 This is an enlarged structural schematic diagram of the press-to-reset component in this utility model;

[0030] Figure 8 for Figure 1 A schematic diagram of the bottom structure.

[0031] in:

[0032] 1. Motor housing; 101. Auxiliary positioning hole; 2. Motor output shaft;

[0033] 201. Positioning hole; 3. Quick positioning assembly; 301. Fixing base;

[0034] 3011, Through hole A; 302, Button; 303, Movable shaft;

[0035] 304. Locating pin; 305. Round wire spring; 306. Locating plate;

[0036] 4. Rotary motor; 5. Support bushing; 6. Ball bearing;

[0037] 601, Through Hole B. Detailed Implementation

[0038] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] Example 1:

[0041] This embodiment relates to a quick-change positioning assembly for a motor rotating shaft. Figure 1 This is a schematic diagram of the overall assembly structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the motor housing 1; Figure 3 This is a schematic diagram of the connection structure between the rapid positioning component 3 and the motor output shaft 2 in this utility model; Figure 4 for Figure 3 A schematic diagram of the bottom structure; Figure 5 This is a schematic diagram of the structure of the motor output shaft 2 in this utility model; Figure 6 This is an enlarged structural schematic diagram of the rapid positioning component 3 in this utility model; Figure 7 This is an enlarged structural schematic diagram of the press-to-reset component in this utility model; Figure 8 for Figure 1 A schematic diagram of the bottom structure; as shown below. Figures 1 to 8The diagram illustrates a quick-change positioning assembly for a motor rotating shaft, installed at the output end of the motor output shaft 2. It includes a quick-positioning component 3 and a fixed base 301. The fixed base 301 is the basic structural component of the entire quick-positioning assembly 3. The fixed base 301 is sleeved on the motor output shaft 2 and has a through hole A3011, allowing one end of the movable shaft 303 to pass through and move axially. The main function of the fixed base 301 is to provide a mounting base for other components and ensure a relatively stable positional relationship between the entire positioning assembly and the motor output shaft 2. The fixed base 301 is sleeved on the motor output shaft 2, and two positioning holes 201 are formed on the motor output shaft 2. The two positioning blocks are symmetrically distributed vertically along the circumference of the motor output shaft 2.

[0042] The quick positioning component 3 of this invention is mounted on a fixed base 301. This quick positioning component 3 includes a button 302, a movable shaft 303, and a positioning pin 304. The button 302 is connected to one end of the movable shaft 303, and its outer surface is provided with anti-slip textures or pressing grooves to enhance the user's feel and control precision during operation. When the user needs to position the motor output shaft 2, they simply press the button 302. Through mechanical linkage, the movable shaft 303 drives the positioning pin 304 to insert into the positioning hole 201 on the motor output shaft 2, thereby achieving quick positioning. The design of the button 302 simplifies the operation process, allowing even personnel without professional skills to easily complete the positioning operation. The movable shaft 303 is the core transmission element of the entire quick positioning component 3. One end is connected to the button 302, and the other end is connected to the positioning pin 304. The movable shaft 303 can move axially within the through hole A3011 of the fixed base 301, and the user's pressing action accurately inserts or disengages the positioning pin 304 into the positioning hole 201. In addition, an elastic reset element (circular wire spring 305) is sleeved on the outside of the movable shaft 303. This reset element can automatically push the movable shaft 303 back to its original position after the release button 302 is released, so that the positioning pin 304 can be dislodged from the positioning hole 201 and restored to its initial state.

[0043] In this invention, the positioning pin 304 is connected to the other end of the movable shaft 303. The axial movement of the movable shaft 303 is used to insert or disengage the positioning pin 304 into the positioning hole 201. The positioning pin 304 is a key component that directly participates in the precise positioning of the motor output shaft 2. Its end can be designed as a flat, conical, or spherical structure according to specific application requirements to better guide and fit with the positioning hole 201. The positioning pin 304 performs the task of inserting or disengaging from the positioning hole 201 through the movement of the movable shaft 303, ensuring that the motor output shaft 2 can be quickly locked in a preset position during rotation, avoiding working errors caused by angular deviation.

[0044] This invention features an elastic reset element, a round wire spring 305, fitted around the movable shaft 303. This spring is used to reset the positioning pin 304. The elastic reset element surrounds the movable shaft 303 and is located between the button 302 and the fixed base 301. Its main function is to provide sufficient elastic force to cause the movable shaft 303 to move in the opposite direction after the user releases the button 302, causing the positioning pin 304 to disengage from the positioning hole 201, thereby allowing the motor output shaft 2 to rotate freely.

[0045] In this utility model, the motor output shaft 2 is installed on the output end of the rotary motor 4, and the rotary motor 4 is installed inside the motor housing 1. An auxiliary positioning hole 101 is provided at the bottom of the motor housing 1. The auxiliary positioning hole 101 is a blind hole and can be used with a fixture or suction head for positioning.

[0046] The present invention has a through hole A3011 on the fixed base 301, and one end of the movable shaft 303 passes through the through hole A3011 and is fixedly connected to the positioning pin 304.

[0047] The quick positioning component 3 of this utility model also includes a positioning plate 306, which is fixed to the outer wall of the fixed base 301. The positioning plate 306 is used to limit the travel range of the movable shaft 303 and prevent mechanical damage or other malfunctions caused by excessive pressing. At the same time, the presence of the positioning plate 306 also ensures that the positioning pin 304 can be accurately inserted into the corresponding positioning hole 201 each time.

[0048] This invention features a ball bearing 6 fitted around the motor output shaft 2. A through hole B601 is provided in the ball bearing 6. A locating pin 304 passes through the through hole B601 and is inserted into the locating hole 201 of the motor output shaft 2 to lock the circumferential direction of the motor output shaft 2. The ball bearing 6 not only reduces frictional resistance and improves the rotational efficiency of the motor output shaft 2, but also has a through hole B601 that allows the locating pin 304 to pass through and enter the locating hole 201 of the motor output shaft 2, ensuring precise circumferential positioning of the motor output shaft 2.

[0049] This invention features a wear-resistant coating on the surface of the locating pin 304. The wear-resistant coating can be either titanium nitride or diamond-like carbon (DLC) coating. To increase the service life and improve the wear resistance of the locating pin 304, a wear-resistant coating, such as titanium nitride or DLC coating, can be applied to its surface. This coating helps reduce wear during long-term use and extends the overall service life of the locating assembly.

[0050] Working principle:

[0051] In its initial state, the entire rapid positioning component 3 is in the unlocked state. At this time:

[0052] Button 302 is in its natural position and is not pressed.

[0053] The movable shaft 303 is in the outermost position under the action of the elastic reset member (circular spring 305), so that the positioning pin 304 connected to its other end is away from the positioning hole 201 on the motor output shaft 2.

[0054] The positioning pin 304 is completely disengaged from the positioning hole 201 of the motor output shaft 2, and the motor output shaft 2 can rotate freely.

[0055] The fixed seat 301 is sleeved on the outside of the motor output shaft 2 and provides a movement path for the movable shaft 303 through its internal through hole A3011.

[0056] When the user needs to precisely position the motor output shaft 2, they will first press button 302.

[0057] The process of pressing button 302 is as follows:

[0058] Pressing action: The user applies force to button 302, causing it to move inward along the axis.

[0059] Torque transmission: Button 302 is connected to movable shaft 303, so the pressing force is directly transmitted to movable shaft 303.

[0060] Overcoming the spring force: Because the movable shaft 303 is externally fitted with an elastic reset element (circular wire spring 305), the resistance of the spring needs to be overcome during the pressing process. As the button 302 is pressed, the movable shaft 303 gradually moves inward, compressing the spring. With the continuous pressing of the button 302, the movable shaft 303 begins to move axially along the through hole A3011 in the fixed seat 301.

[0061] Axial propulsion: The movable shaft 303 is subjected to pressing force and gradually propels towards the direction of the motor output shaft 2.

[0062] Guided fit: The end of the movable shaft 303 is connected to a locating pin 304. The design of the locating pin 304 (flat, conical, or spherical structure) allows it to smoothly enter the locating hole 201 on the motor output shaft 2. This design not only helps the locating pin 304 to accurately insert into the locating hole 201, but also reduces friction and improves the smoothness of operation.

[0063] Gradual Approach: As the movable shaft 303 advances, the locating pin 304 gradually approaches the locating hole 201 of the motor output shaft 2. During this process, the through hole B601 on the ball bearing 6 also provides a channel for the locating pin 304, ensuring that the locating pin 304 can smoothly pass through and enter the locating hole 201.

[0064] Once the movable shaft 303 is pushed to a certain extent, the locating pin 304 will be fully inserted into the locating hole 201 of the motor output shaft 2. The specific process is as follows:

[0065] Insertion action: Under the push of the movable shaft 303, the positioning pin 304 overcomes the slight resistance at the entrance of the positioning hole 201 and is finally fully inserted into the positioning hole 201.

[0066] Locked State: Once the locating pin 304 is fully inserted into the locating hole 201, the motor output shaft 2 is locked in its current position and can no longer rotate freely. After the locating pin 304 is inserted into the locating hole 201, the motor output shaft 2 is firmly locked in the preset position. At this time, a tight fit is formed between the locating pin 304 and the locating hole 201, ensuring that the motor output shaft 2 will not shift or rotate due to external interference.

[0067] When the user completes the location operation and needs to unlock, simply release button 302. The specific unlocking process is as follows:

[0068] Release button 302: When the user stops applying pressure, button 302 returns to its natural position.

[0069] Elastic return: The elastic return element (circular wire spring 305) quickly returns to its original shape, generating a reverse thrust. This thrust acts on the movable shaft 303, causing it to move outward along the axial direction.

[0070] Removal from positioning hole 201: As the movable shaft 303 retracts, the positioning pin 304 gradually exits from the positioning hole 201 of the motor output shaft 2. The surface of the positioning pin 304 is coated with a wear-resistant coating (such as titanium nitride or diamond-like coating), which reduces wear during long-term use and extends its service life.

[0071] Returning to initial state: After the movable shaft 303 returns to its initial position, the button 302 also pops out, returning to its unpressed state. At this time, the motor output shaft 2 regains its ability to rotate freely.

[0072] In some applications, a jig or suction head may be needed to assist in positioning the motor output shaft 2. In this case, the auxiliary positioning hole 101 at the bottom of the motor housing 1 plays a crucial role.

[0073] Mounting of fixtures or suction heads: Fixtures or suction heads can be precisely positioned using the auxiliary positioning holes 101 at the bottom of the motor housing 1.

[0074] Auxiliary positioning: The fixture or suction head forms a precise fit with the motor output shaft 2 through the auxiliary positioning hole 101, ensuring the accurate positioning of the motor output shaft 2 at a specific position. The auxiliary positioning hole 101 is a blind hole, avoiding interference between the tool and other internal components of the motor.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A quick-change positioning assembly for a motor rotating shaft, installed at the output end of the motor output shaft (2), characterized in that, Includes a quick positioning component (3) and a fixing base (301); The fixed seat (301) is sleeved on the outside of the motor output shaft (2), and at least one positioning hole (201) is provided on the motor output shaft (2); The quick positioning component (3) is mounted on the fixed base (301). The quick positioning component (3) includes a button (302), a movable shaft (303), and a positioning pin (304). The button (302) is connected to one end of the movable shaft (303), and the positioning pin (304) is connected to the other end of the movable shaft (303). The axial movement of the movable shaft (303) is used to insert or disengage the positioning pin (304) from the positioning hole (201). The movable shaft (303) is fitted with an elastic reset component, which is a round wire spring (305) used to reset the positioning pin (304).

2. The quick-change positioning assembly for a motor rotating shaft according to claim 1, characterized in that, The motor output shaft (2) is installed on the output end of the rotary motor (4), which is installed inside the motor housing (1). An auxiliary positioning hole (101) is provided at the bottom of the motor housing (1), and the auxiliary positioning hole (101) is a blind hole.

3. A quick-change positioning assembly for a motor rotating shaft according to claim 1, characterized in that, The fixed base (301) has a through hole A (3011), and one end of the movable shaft (303) passes through the through hole A (3011) and is fixedly connected to the positioning pin (304).

4. A quick-change positioning assembly for a motor rotating shaft according to claim 1, characterized in that, The quick positioning assembly (3) also includes a positioning plate (306), which is fixed to the outer wall of the fixed base (301) to limit the travel range of the movable shaft (303).

5. A quick-change positioning assembly for a motor rotating shaft according to claim 1, characterized in that, The motor output shaft (2) is fitted with a ball bearing (6).

6. A quick-change positioning assembly for a motor rotating shaft according to claim 5, characterized in that, The ball bearing (6) has a through hole B (601), and the positioning pin (304) passes through the through hole B (601) and is inserted into the positioning hole (201) of the motor output shaft (2) to lock the circumferential direction of the motor output shaft (2).

7. A quick-change positioning assembly for a motor rotating shaft according to claim 1, characterized in that, The outer surface of the button (302) is provided with anti-slip texture or pressing groove.

8. A quick-change positioning assembly for a motor rotating shaft according to claim 1, characterized in that, The end of the positioning pin (304) is a planar structure, a conical structure, or a spherical structure, used to form a guiding fit with the hole wall of the positioning hole (201).

9. A quick-change positioning assembly for a motor rotating shaft according to claim 1, characterized in that, Two positioning holes (201) are provided, and the two positioning blocks are symmetrically distributed vertically along the circumference of the motor output shaft (2).

10. A quick-change positioning assembly for a motor rotating shaft according to claim 1, characterized in that, The surface of the locating pin (304) is coated with a wear-resistant coating, which is either titanium nitride or diamond-like carbon coating.

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