High-precision jig facilitating butt joint of motor ends

Abstract

The utility model belongs to the technical field of butt joint of motor ends, and particularly relates to a high-precision jig convenient for butt joint of motor ends, which comprises a support leg, a butt joint structure mounted at the top of the support leg, a clamping structure mounted at the top of the butt joint structure, an oil injection collecting structure arranged in the middle of the top surface of the butt joint structure, and a positioning unit and a clamping unit, the positioning units comprise mounting plates, electric push rods are mounted in the middles of the sides, away from each other, of the two mounting plates, connecting plates are connected to the output ends of the electric push rods, springs are connected to the ends, away from the electric push rods, of the connecting plates, and clamping plates are connected to the ends, away from the connecting plates, of the springs. According to the high-precision jig facilitating butt joint of the motor end heads, the three-jaw chuck is used for conducting center positioning and clamping on the end heads, meanwhile, the electric push rod is used for driving the connecting plate and the clamping plate to clamp the motor, and in the clamping process, axis center positioning of the motor is achieved through stress of the arc-shaped plate and the multiple springs; therefore, the assembling process is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of motor end jointing, in particular to a high-precision fixture that is convenient for motor end jointing. Background Art

[0002] A fixture is a large category of tools for carpentry, ironwork, fitter, machinery, electronic control and other handicrafts. It is mainly used as a tool to assist in controlling position or movement. Fixtures can be divided into three categories: process assembly fixtures, project test fixtures and circuit board test fixtures.

[0003] "Motor" is the transliteration of English, which means electric motor or engine. The working principle is that the energized coil rotates in the magnetic field to drive the starter rotor to rotate, and the small gear on the rotor drives the engine flywheel to rotate. This technology product was first used in the automotive industry in 1912.

[0004] During the motor assembly process, the end of the motor needs to be docked and installed. Since the motor will rotate at high speed during use, the end needs to be accurately docked and installed. The existing technology usually uses manual insertion to dock and install and fix it. Therefore, there may be some angular deviation after the end is installed, which increases the degree of wear during use and affects the service life of the existing motor.

[0005] For this reason, we urgently need to provide a high-precision fixture that is convenient for connecting the motor ends. Utility Model Content

[0006] The purpose of the utility model is to provide a high-precision fixture that is convenient for connecting the motor ends, so as to solve the problem that in the prior art proposed in the above background technology, the connection is usually carried out by manual insertion and the installation and fixation are carried out. Therefore, there may be some angular deviations after the end is installed, thereby increasing the degree of wear during use and affecting the service life of the existing motor.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a high-precision fixture for facilitating the docking of motor ends, comprising a support leg, a docking structure installed on the top of the support leg, a clamping structure installed on the top of the docking structure, and an oil injection and collection structure arranged in the middle of the top surface of the docking structure.

[0008] The clamping structure includes a positioning unit and a clamping unit.

[0009] The positioning unit includes a mounting plate, an electric push rod is mounted in the middle of one side of the two mounting plates away from each other, the output end of the electric push rod is connected to a connecting plate, the end of the connecting plate away from the electric push rod is connected to a spring, and the end of the spring away from the connecting plate is connected to a clamping plate.

[0010] Preferably, the clamping unit comprises connecting rods, two connecting rods are provided with a ring at one end close to each other, and a three-jaw chuck is provided at the left end of the ring.

[0011] Preferably, the two ends of the spring are fixedly connected to the connecting plate and the clamping plate respectively, the right side of the three-jaw chuck is fixedly connected to the ring, and the connecting plate and the clamping plate are concentric arc plates. The three-jaw chuck is a clamping chuck in the prior art, which can realize center positioning clamping of the end head.

[0012] Preferably, the docking structure includes a workbench, an asynchronous motor is installed in the middle of the right side of the workbench, the output end of the asynchronous motor is connected to a transmission member, the outer surface of the transmission member is connected to a connecting block, and a mounting frame is fixedly installed on the top of the connecting block.

[0013] Preferably, the bottom surface of the workbench is fixedly connected to the top of the support leg, the outer surface of the connection block is slidably connected to the inner wall of the convex groove opened in the middle of the top surface of the workbench, the top of the left mounting bracket is fixedly connected to the bottom surface of the mounting plate, and the top of the right mounting bracket is fixedly connected to the connecting rod. The transmission member is a threaded rod and a threaded cylinder, the left and right ends of the threaded rod are connected to the inner wall of the circular hole opened in the middle of the left and right sides of the workbench through bearings, and the left and right ends of the outer surface of the threaded rod are provided with opposite threads.

[0014] Preferably, the oil injection and collection structure includes a hydraulic cylinder, an oil injection mechanical arm is installed at the output end of the hydraulic cylinder, a guide rail is arranged on the front of the hydraulic cylinder, a slider is connected to the middle of the top surface of the guide rail, an oil collecting box is installed on the top of the slider, a filter plate is installed inside the oil collecting box, and hooks are installed on the front and back ends of the middle of the top surface of the filter plate.

[0015] Preferably, the bottom surface of the hydraulic cylinder is fixedly connected to the middle of the top surface of the workbench near the back side, the bottom surface of the guide rail is fixedly connected to the middle of the bottom of the right mounting frame, the outer surface of the filter plate is slidably connected to the inner wall of the oil collecting box, and the hook is clamped to the middle of the top of the oil collecting box. The filter plate is a solid frame with multiple layers of filter screens installed inside, and the slider is a convex slider, which is slidably connected to the convex slide groove in the middle of the top surface of the guide rail.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. This high-precision fixture, which is convenient for connecting the motor ends, uses a three-jaw chuck to center the end through the setting of the clamping structure, and uses an electric push rod to drive the connecting plate and the clamping plate to clamp the motor. During the clamping process, the stress of the arc plate and multiple springs is used to achieve the center positioning of the motor axis, so that the assembly process can be more accurate.

[0018] 2. The high-precision fixture for motor end connection is provided with an oil filling and collecting structure, and a hydraulic cylinder is used to adjust the height of the oil filling mechanical arm, so as to facilitate the oil filling operation when assembling the motor and the end. At the same time, the oil collecting box is used to collect the excess lubricating oil during the oil filling process, and the filter plate can be used to filter the impurities adhered when the lubricating oil is dripped and collected, thereby preventing the waste of lubricating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3 This is an enlarged view of the clamping structure of the utility model;

[0022] Figure 4 It is an enlarged view of the collection structure of the utility model.

[0023] In the figure: 1, supporting leg; 101, working table; 102, asynchronous motor; 103, transmission member; 104, connecting block; 105, mounting frame; 201, mounting plate; 202, electric push rod; 203, connecting plate; 204, spring; 205, clamping plate; 206, connecting rod; 207, ring; 208, three-jaw chuck; 301, hydraulic cylinder; 302, oil injection robot arm; 303, guide rail; 304, slider; 305, oil collecting box; 306, filter plate; 307, hook. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0026] Embodiment 1:

[0027] A high-precision fixture for motor end docking comprises a support leg 1, a docking structure is installed on the top of the support leg 1, a clamping structure is installed on the top of the docking structure, and an oil injection and collection structure is arranged in the middle of the top surface of the docking structure.

[0028] The clamping structure includes a positioning unit and a clamping unit. The positioning unit includes a mounting plate 201. An electric push rod 202 is installed in the middle of one side of the two mounting plates 201 away from each other. A connecting plate 203 is connected to the output end of the electric push rod 202. A spring 204 is connected to the end of the connecting plate 203 away from the electric push rod 202. A clamping plate 205 is connected to the end of the spring 204 away from the connecting plate 203. The clamping unit includes a connecting rod 206. A ring 207 is installed at one end of the two connecting rods 206 close to each other. A three-jaw chuck 208 is installed at the left end of the ring 207.

[0029] The two ends of the spring 204 are fixedly connected to the connecting plate 203 and the clamping plate 205 respectively. The right side of the three-jaw chuck 208 is fixedly connected to the ring 207. The connecting plate 203 and the clamping plate 205 are concentric arc plates.

[0030] The docking structure includes a workbench 101, an asynchronous motor 102 is installed in the middle of the right side of the workbench 101, a transmission member 103 is connected to the output end of the asynchronous motor 102, a connecting block 104 is connected to the outer surface of the transmission member 103, and a mounting frame 105 is fixedly installed on the top of the connecting block 104. The bottom surface of the workbench 101 is fixedly connected to the top of the support leg 1, the outer surface of the connecting block 104 is slidably connected to the inner wall of the convex sliding groove provided in the middle of the top surface of the workbench 101, the top of the left mounting frame 105 is fixedly connected to the bottom surface of the mounting plate 201, and the top of the right mounting frame 105 is fixedly connected to the connecting rod 206.

[0031] By setting up the clamping structure, the three-jaw chuck 208 is used to clamp the end head for center positioning, and the electric push rod 202 is used to drive the connecting plate 203 and the clamping plate 205 to clamp the motor. During the clamping process, the stress of the arc plate and multiple springs 204 is used to achieve the center positioning of the motor axis, thereby making the assembly process more precise.

[0032] The three-jaw chuck 208 is used to perform center positioning and clamping of the end head, and the electric push rod 202 is used to drive the connecting plate 203 and the clamping plate 205 to clamp the motor. During the clamping process, the stress of multiple springs 204 can be used to complete the center positioning and clamping of the motor. Then, the asynchronous motor 102 is started to drive the transmission member 103 for transmission. The output end of the asynchronous motor 102 drives the threaded rod to rotate. The threaded connection between the threaded rod and the threaded barrel, and the connection between the threaded barrel and the connecting block 104 are utilized. The outer surface of the connecting block 104 is provided with a convex slide groove in the middle of the top surface of the workbench 101 for sliding connection, thereby driving the two mounting frames 105 to approach each other, thereby completing the docking of the motor end head.

[0033] Embodiment 2:

[0034] On the basis of the first embodiment, the oil filling and collecting structure includes a hydraulic cylinder 301, an oil filling mechanical arm 302 is installed at the output end of the hydraulic cylinder 301, a guide rail 303 is arranged on the front of the hydraulic cylinder 301, a slider 304 is connected to the middle of the top surface of the guide rail 303, an oil collecting box 305 is installed on the top of the slider 304, a filter plate 306 is installed inside the oil collecting box 305, and a hook 307 is installed on the front and back ends of the middle of the top surface of the filter plate 306. The bottom surface of the hydraulic cylinder 301 is fixedly connected to the middle of the top surface of the workbench 101 near the back side, the bottom surface of the guide rail 303 is fixedly connected to the middle of the bottom of the right mounting frame 105, the outer surface of the filter plate 306 is slidably connected to the inner wall of the oil collecting box 305, and the hook 307 is clamped to the middle of the top of the oil collecting box 305.

[0035] By setting up the oil filling and collecting structure, the hydraulic cylinder 301 is used to adjust the height of the oil filling robot arm 302, so as to facilitate the oil filling operation when assembling the motor and the end head. At the same time, during the oil filling process, the oil collecting box 305 is used to collect the excess lubricating oil. At the same time, the filter plate 306 can be used to filter the impurities adhered when the lubricating oil drips and is collected, so as to prevent the waste of lubricating oil.

[0036] During the process of assembling the motor, a certain amount of lubricating oil needs to be injected into the motor, and the hydraulic cylinder 301 is started to drive the oil injection robot arm 302 to adjust the height, so as to facilitate the oil injection operation of the motor using the oil injection robot arm 302. At the same time, the oil collecting box 305 can be used to collect the excess dripping lubricating oil, and the filter plate 306 can be used to filter the debris stuck in the lubricating oil, so as to facilitate the secondary use of the lubricating oil.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A high-precision fixture for facilitating the connection of motor ends, comprising a support leg (1), characterized in that: A docking structure is installed on the top of the support leg (1), a clamping structure is installed on the top of the docking structure, and an oil injection and collection structure is arranged in the middle of the top surface of the docking structure; The clamping structure comprises a positioning unit and a clamping unit; The positioning unit comprises a mounting plate (201), an electric push rod (202) is mounted in the middle of one side of two mounting plates (201) away from each other, an output end of the electric push rod (202) is connected to a connecting plate (203), an end of the connecting plate (203) away from the electric push rod (202) is connected to a spring (204), and an end of the spring (204) away from the connecting plate (203) is connected to a clamping plate (205).

2. A high-precision jig for facilitating the connection of motor ends according to claim 1, characterized in that: The clamping unit comprises a connecting rod (206), two connecting rods (206) are provided with a circular ring (207) at one end close to each other, and a three-jaw chuck (208) is provided at the left end of the circular ring (207).

3. A high-precision jig for facilitating the connection of motor ends according to claim 2, characterized in that: The two ends of the spring (204) are fixedly connected to the connecting plate (203) and the clamping plate (205) respectively, the right side of the three-jaw chuck (208) is fixedly connected to the ring (207), and the connecting plate (203) and the clamping plate (205) are concentric arc plates.

4. A high-precision jig for facilitating the connection of motor ends according to claim 1, characterized in that: The docking structure comprises a workbench (101), an asynchronous motor (102) is installed in the middle of the right side of the workbench (101), the output end of the asynchronous motor (102) is connected to a transmission member (103), the outer surface of the transmission member (103) is connected to a connection block (104), and a mounting frame (105) is fixedly installed on the top of the connection block (104).

5. A high-precision jig for facilitating the connection of motor ends according to claim 4, characterized in that: The bottom surface of the workbench (101) is fixedly connected to the top of the support leg (1); the outer surface of the connecting block (104) is slidably connected to the inner wall of a convex sliding groove provided in the middle of the top surface of the workbench (101); the top of the left mounting frame (105) is fixedly connected to the bottom surface of the mounting plate (201); and the top of the right mounting frame (105) is fixedly connected to the connecting rod (206).

6. A high-precision jig for facilitating the connection of motor ends according to claim 1, characterized in that: The oil injection and collection structure comprises a hydraulic cylinder (301), an oil injection mechanical arm (302) is installed at the output end of the hydraulic cylinder (301), a guide rail (303) is arranged on the front of the hydraulic cylinder (301), a slider (304) is connected to the middle of the top surface of the guide rail (303), an oil collection box (305) is installed on the top of the slider (304), a filter plate (306) is installed inside the oil collection box (305), and hooks (307) are installed on the front and one end of the back of the middle of the top surface of the filter plate (306).

7. A high-precision jig for facilitating the connection of motor ends according to claim 6, characterized in that: The bottom surface of the hydraulic cylinder (301) is fixedly connected to the middle of the top surface of the workbench (101) near the back side, the bottom surface of the guide rail (303) is fixedly connected to the middle of the bottom of the right mounting frame (105), the outer surface of the filter plate (306) is slidably connected to the inner wall of the oil collecting box (305), and the hook (307) is clamped to the middle of the top of the oil collecting box (305).

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