Self-adaptive transmission device for motor shell machining

Abstract

The invention relates to the technical field of motor shell transfer, in particular to a self-adaptive conveying device for motor shell machining, which comprises a single-beam crane and two electric hoists, the single-beam crane is mounted at the top of a crown block, the two electric hoists are mounted on the front side and the rear side of the bottom of the single-beam crane respectively, and the single-beam crane is responsible for transverse movement of the electric hoists. A first steel wire rope is wound in the electric hoist, and a paint spraying quality detection mechanism is installed at the bottom end of the first steel wire rope. Dust is blown along the surface of the motor shell, and the problems that dust particles are embedded into an oxidation film to cause insufficient adhesion of a film layer and fall off easily are solved; the airflow can accelerate washing of residual liquid medicine on the surface of the motor shell, the draining time is shortened, the oxidation treatment efficiency is remarkably improved, meanwhile, interference of liquid medicine residues on the follow-up paint spraying process is reduced, whether the paint spraying amount reaches the standard or not can be accurately judged, and the problems that due to insufficient paint spraying, the corrosion resistance is reduced, and the service life of the motor shell is shortened are solved.

Description

Technical Field

[0001] This invention relates to the field of motor housing transfer technology, specifically an adaptive transfer device for motor housing processing. Background Technology

[0002] Motor housings typically require both oxidation and painting processes to meet corrosion resistance requirements. A common oxidation method is chemical immersion, where the motor housing is immersed in a chemical solution containing an oxidant (such as chromate) and an activator. An oxide film forms on the surface through a chemical reaction, followed by either airless spraying or electrostatic spraying, depending on the specific needs.

[0003] However, existing technologies have significant drawbacks in the transportation and handling of motor housings: Before oxidation treatment, dust particles are easily left on the surface of the motor housing. If not cleaned in time, the dust will be embedded in the oxide film, resulting in insufficient film adhesion and easy peeling, which seriously affects the quality of oxidation treatment. After oxidation treatment, the residual chemicals on the surface of the motor housing take a long time to drain, which not only reduces the efficiency of oxidation treatment, but also interferes with the subsequent painting process, resulting in a decrease in the adhesion of the paint layer. During the painting process, the lack of accurate detection methods for the amount of paint sprayed can easily lead to a decrease in the corrosion resistance of components and a shortened service life due to insufficient paint spraying, or material waste due to excessive paint spraying. The transfer and handling of the motor housing between the oxidation and painting processes are scattered, requiring multiple manual interventions. This not only increases labor intensity but may also cause damage to the surface of the components due to improper operation, affecting product consistency. Summary of the Invention

[0004] The purpose of this invention is to provide an adaptive transmission device for motor housing processing, so as to solve the problem that the existing technology cannot improve the efficiency of motor housing oxidation treatment and the paint quality cannot be detected.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an adaptive transmission device for processing motor housings, comprising a single-beam trolley and two electric hoists. The single-beam trolley is mounted on the top of the trolley, and the two electric hoists are respectively mounted on the front and rear sides of the bottom of the single-beam trolley. The single-beam trolley is responsible for the lateral movement of the electric hoists. A first steel wire rope is wound inside the electric hoist, and a paint quality inspection mechanism is installed at the bottom end of the first steel wire rope. The paint quality inspection mechanism is raised and lowered by the electric hoist winding and releasing the first steel wire rope. A processor is installed on the top of the paint quality inspection mechanism, and a display is provided on the outer wall of the processor. A cleaning mechanism is installed at the bottom of the paint quality inspection mechanism, and the motor housing is hoisted by the cleaning mechanism.

[0006] Preferably, the paint quality inspection mechanism includes a top plate installed at the bottom end of the first steel wire rope, a processor installed on the upper surface of the top plate, lifting devices installed at both the front and rear ends of the bottom of the top plate, and a gravity detection component installed at the center of the bottom of the top plate. The gravity detection component works in conjunction with the processor to detect the weight of the motor housing. Rollers that are inserted into the gravity detection component are installed on the outer wall of the lifting device. The difference in weight of the motor housing before and after painting is measured, and the difference is the amount of paint sprayed, preventing insufficient painting from shortening the service life of the motor housing.

[0007] Preferably, the gravity detection component includes a housing installed at the center of the lower surface of the top plate. A first rotating shaft, capable of rotation, is mounted at the center of the housing via a bearing. A swing arm and a first gear are respectively mounted at the upper and lower ends of the outer wall of the first rotating shaft. A pressure sensor electrically connected to a processor is installed on the rear side of the housing. When the swing arm rotates, it compresses the pressure sensor. The processor analyzes the change in current inside the pressure sensor to obtain the weight of the motor housing. Slide rods are inserted into both the front and rear sides of the housing. A rack that meshes with the first gear is installed on the inner side of the slide rod. A pressure plate is installed on the outer side of the slide rod. A groove is formed on the outer wall of the pressure plate, and a roller is inserted into the inner cavity of the groove. By cooperating with the groove, the direction of motion is changed, converting linear motion into rotational motion, and the weight of the motor housing is converted into pressure borne by the pressure sensor. The weight of the motor housing is measured by the change in current inside the pressure sensor.

[0008] Preferably, the two racks are respectively disposed on the left and right sides of the first gear.

[0009] Preferably, the grooves are inclinedly distributed on the outer wall of the pressure plate.

[0010] Preferably, the cleaning mechanism includes a housing installed at the bottom of the lifting device. A base is installed on the lower surface of the housing, and the base is open in the middle. Through holes are provided at the four corners of the lower surface of the base. Fixed pulleys are installed on the upper surface of the base at positions corresponding to the through holes. Length adjustment components and dust removal components are respectively installed at the upper and lower ends of the inner cavity of the base along the front-back direction. The length adjustment components change the hoisting angle of the motor housing, while the dust removal components can remove dust from the surface of the motor housing. Before the oxidation treatment of the motor housing, the surface dust is blown away by adjusting the angle of the motor housing. During the oxidation treatment, after the motor housing is repeatedly immersed in the chemical solution, the airflow can accelerate the drainage of water from the surface of the motor housing.

[0011] Preferably, the length adjustment assembly includes a motor mounted on the top front of the base. One end of the motor output is connected to a second shaft, and the other end of the second shaft is inserted into the inner wall of the base. A second gear is installed at the center of the outer wall of the second shaft, and a reel is installed at both the front and rear ends of the outer wall of the second shaft. The motor drives the second gear and the reel on the second shaft to rotate clockwise or counterclockwise. Two second steel wire ropes are wound around the outer wall of the reel, and the ends of the second steel wire ropes pass through through holes and are equipped with hooks. A fixed pulley reduces the frictional resistance when the second steel wire ropes move. By alternately releasing and rewinding the second steel wire ropes, a height difference is created between the hooks on the left and right sides to change the angle of the motor housing.

[0012] Preferably, the two second steel wire ropes are wound in the same direction on the outer wall of the reel.

[0013] Preferably, the dust removal assembly includes a nozzle connected to the bottom of the inner cavity of the base by a pin. The nozzle is connected to a fan via an air pipe, and the fan provides airflow to the nozzle. A third gear is installed on the outer wall of the nozzle and meshes with the second gear, so that the nozzle changes the direction of airflow and removes dust from the motor housing.

[0014] The adaptive transmission device for motor housing processing proposed in this invention has the following advantages: 1. Improved Efficiency and Quality of Oxidation Processing: The motor in the length adjustment assembly drives the reel to rotate alternately clockwise and counterclockwise, causing the two second steel wire ropes wound in the same direction to release and rewind alternately. This, in turn, creates a height difference between the hooks on the left and right sides, precisely adjusting the hoisting angle of the motor housing. Simultaneously, the meshing transmission of the second and third gears causes the nozzle to rotate synchronously with the angle change of the motor housing, ensuring that the air outlet direction of the nozzle is always consistent with the tilt direction of the motor housing surface. Before oxidation processing, an external fan can provide airflow to the nozzle to blow away dust along the surface of the motor housing, preventing dust particles from embedding in the oxide film and causing insufficient film adhesion and easy peeling. After the motor housing is immersed in the oxidation solution, the airflow can accelerate the rinsing of residual solution on the surface of the motor housing, shortening the draining time and significantly improving the efficiency of oxidation processing, while reducing the interference of residual solution on subsequent painting processes.

[0015] 2. Real-time Detection and Precise Control of Paint Quality: A non-contact weight measurement system is constructed using gravity detection components. When the motor housing is suspended below the cleaning mechanism, the weight of the motor housing drives the rollers to press down on the inclined groove of the pressure plate via the slide block of the lifting device. The component force of the rollers moving along the inclined surface of the groove pushes the slide rod inward. Through the meshing transmission of the rack and pinion and the first gear, the linear motion is converted into the rotational motion of the first rotating shaft, which in turn drives the swing arm to squeeze the pressure sensor. The pressure sensor converts the mechanical pressure into an electrical signal. The processor analyzes and calculates the real-time weight of the motor housing. By comparing the weight difference of the motor housing before and after painting, it is possible to accurately determine whether the amount of paint applied meets the standard (providing data support for subsequent paint quality assessment). This avoids problems such as reduced anti-corrosion performance and shortened service life of the motor housing caused by insufficient painting. This detection process does not require manual intervention and can be integrated into the transmission process in real time, significantly improving the automation level and detection accuracy of quality control and reducing rework costs.

[0016] 3. Integrated design enhances production continuity and reliability: The device achieves lateral movement and lifting of the motor housing between the oxidation line and the painting line through the cooperation of a single-beam trolley and an electric hoist. Combined with the integrated design of the cleaning mechanism and the painting quality inspection mechanism, the independent "transfer-dust removal-oxidation-draining-painting-inspection" links in the traditional process are integrated into a continuous automated process, reducing the risk of manual intervention and surface damage from multiple loading and unloading of motor housings. Among them, the fixed pulley reduces the frictional resistance of the wire rope movement, the rolling contact between the roller and the slide reduces mechanical wear, and the gear transmission ensures the synchronization of angle adjustment and airflow purging. The overall structural design takes into account both reliability and operational stability, and is suitable for the mass production of high-precision, high-value-added motor housings such as aviation aluminum alloy components. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the paint quality inspection mechanism of the present invention; Figure 3 This is a schematic diagram of the structure of a paint spraying quality inspection agency; Figure 4 for Figure 3 Enlarged view of point A in the middle; Figure 5 This is a schematic diagram of the gravity detection component structure; Figure 6 For cleaning the structural diagram of the mechanism; Figure 7 Schematic diagram of the length adjustment component structure Figure 8 for Figure 6 Enlarged view of section B in the middle.

[0018] Explanation of reference numerals in the attached drawings: 1. Single-beam crane; 2. Electric hoist; 3. First wire rope; 4. Paint quality inspection mechanism; 5. Processor; 6. Cleaning mechanism; 41. Top plate; 42. Lifter; 43. Gravity detection component; 44. Roller; 431. Box; 432. First shaft; 433. Swing rod; 434. First gear; 435. Pressure sensor; 436. Slide rod; 437. Rack; 438. Pressure plate; 439. Slide groove; 61. Outer shell; 62. Base; 63. Through hole; 64. Fixed pulley; 65. Length adjustment component; 66. Dust removal component; 651. Motor; 652. Second shaft; 653. Second gear; 654. Reel; 655. Second wire rope; 656. Hook; 661. Spray pipe; 662. Third gear. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figures 1-8 This invention provides a technical solution: an adaptive transmission device for processing motor housings, comprising a single-beam trolley 1 and two electric hoists 2. The single-beam trolley 1 is mounted on the top of the trolley, and the two electric hoists 2 are respectively mounted on the front and rear sides of the bottom of the single-beam trolley 1. The single-beam trolley 1 is responsible for the lateral movement of the electric hoists 2. A first steel wire rope 3 is wound inside the electric hoists 2, and a paint quality inspection mechanism 4 is installed at the bottom of the first steel wire rope 3. By winding and releasing the first steel wire rope 3, the paint quality inspection mechanism 4 can be raised and lowered. A processor 5 is installed on the top of the paint quality inspection mechanism 4, and a display is provided on the outer wall of the processor 5. A cleaning mechanism 6 is installed at the bottom of the paint quality inspection mechanism 4, and the motor housing is hoisted by the cleaning mechanism 6.

[0021] As a preferred embodiment, the paint quality inspection mechanism 4 further includes a top plate 41 installed at the bottom end of the first steel wire rope 3, a processor 5 installed on the upper surface of the top plate 41, and lifting devices 42 installed at both the front and rear ends of the bottom of the top plate 41. A gravity detection component 43 is installed at the center of the bottom of the top plate 41. The weight of the motor housing is detected by the gravity detection component 43 in cooperation with the processor 5. Rollers 44 that are inserted into the gravity detection component 43 are installed on the outer wall of the lifting device 42. The lifting device 42 includes two slide rails and two slide blocks. The two slide rails are vertically installed at the front and rear ends of the lower surface of the top plate 41, and the slide blocks are sleeved on the outer wall of the slide rails. The outer wall of the slide blocks is installed with the rollers 44.

[0022] As a preferred embodiment, the gravity detection component 43 further includes a housing 431 installed at the center of the lower surface of the top plate 41. A first rotating shaft 432, capable of rotation, is mounted at the center of the inner cavity of the housing 431 via a bearing. A swing arm 433 and a first gear 434 are respectively installed at the upper and lower ends of the outer wall of the first rotating shaft 432. A pressure sensor 435, electrically connected to the processor 5, is installed on the rear side of the inner cavity of the housing 431. The pressure sensor 435 contains a pressure-sensitive element, which causes a change in current as the pressure changes. When the swing arm 433 rotates, it squeezes the pressure sensor 435. The processor 5 analyzes the change in current inside the pressure sensor 435 to obtain the weight of the motor housing. Slide rods 436 are inserted into both the front and rear sides of the housing 431. A gear 434 is installed on the inner side of the slide rod 436. The gear 434 is meshed with a rack 437. The two racks 437 are respectively located on the left and right sides of the first gear 434. When the two racks 437 move in opposite directions, the two racks 437 work together to drive the first gear 434 to rotate, preventing loss of force transmission. A pressure plate 438 is installed on the outside of the slide rod 436. The outer wall of the pressure plate 438 has a groove 439, and the roller 44 is inserted into the inner cavity of the groove 439. The roller 44 rolls in the groove 439, which reduces the friction between the roller 44 and the groove 439 and prevents the mechanical wear from increasing and affecting the stability of the fit between the roller 44 and the groove 439. The groove 439 is inclined on the outer wall of the pressure plate 438. When the roller 44 is driven down by the slide block, the roller 44 presses the inclined surface of the groove 439, thereby causing the slide rod 436 to move inward.

[0023] More specifically, when the motor housing is hoisted by the cleaning mechanism 6, the weight of the motor housing will drive the slide of the lifting device 42 to descend along the slide rail, thereby driving the roller 44 to descend synchronously. Since the slide groove 439 is inclined, the roller 44 will exert a squeezing force on the inclined surface of the slide groove 439 when it descends. This force is decomposed into a horizontal component along the inclined surface, pushing the pressure plate 438 and the slide rod 436 to move inward toward the box 431. The rack 437 on the inner side of the slide rod 436 moves synchronously with the slide rod 436. Through the meshing transmission with the first gear 434, it drives the first rotating shaft 432 to rotate, thereby causing the swing rod 433 to rotate toward the pressure sensor 435 and squeeze the pressure sensor 435. The pressure sensor 435 converts the pressure it receives into a current signal and transmits it to the processor 5. The processor 5 calculates the weight of the motor housing by analyzing the current change and finally displays it in real time on the display, realizing accurate detection of the weight of the motor housing, and providing data support for the subsequent judgment of the painting quality (calculating the amount of paint by the weight difference before and after painting).

[0024] As a preferred embodiment, the cleaning mechanism 6 further includes a housing 61 installed at the bottom of the slide, a base 62 installed on the lower surface of the housing 61, and the base 62 is open in the middle. Through holes 63 are provided at the four corners of the lower surface of the base 62. Fixed pulleys 64 are installed on the upper surface of the base 62 at positions corresponding to the through holes 63. Length adjustment components 65 and dust removal components 66 are respectively installed at the upper and lower ends of the inner cavity of the base 62 along the front-back direction. The length adjustment components 65 can change the hoisting angle of the motor housing, while the dust removal components 66 can remove dust from the surface of the motor housing.

[0025] As a preferred embodiment, the length adjustment assembly 65 further includes a motor 651 mounted on the top front of the base 62. One end of a second rotating shaft 652 is mounted on the output end of the motor 651, and the other end of the second rotating shaft 652 is inserted into the inner wall of the base 62. A second gear 653 is mounted at the center of the outer wall of the second rotating shaft 652, and scrolls 654 are mounted at both ends of the outer wall of the second rotating shaft 652. The motor 651 drives the second gear 653 and the scrolls on the second rotating shaft 652. 654 rotates synchronously clockwise or counterclockwise. Two second steel wire ropes 655 are wound around the outer wall of the reel 654. The ends of the second steel wire ropes 655 pass through the through holes 63 and are equipped with hooks 656. The frictional resistance of the second steel wire ropes 655 when moving is reduced by the fixed pulley 64. The two second steel wire ropes 655 are wound in the same direction around the outer wall of the reel 654. When the reel 654 rotates, the two second steel wire ropes 655 are released and wound alternately, thereby creating a height difference between the hooks 656 on the left and right sides.

[0026] More specifically, when motor 651 receives a clockwise rotation command, the second shaft 652 drives the reel 654 to rotate clockwise synchronously. The second wire rope 655 on the left reel 654 is wound up because the winding direction is consistent with the rotation direction, while the second wire rope 655 on the right reel 654 is released because it is wound in the same direction. This causes the left hook 656 to rise and the right hook 656 to fall, causing the motor housing to tilt to the left. Conversely, when motor 651 rotates counterclockwise, the right reel 654 is wound up and the left reel 654 is released, causing the motor housing to tilt to the right.

[0027] More specifically, when the second gear 653 rotates with the second shaft 652, it drives the third gear 662 and the nozzle 661 to rotate synchronously. The rotation angle of the nozzle 661 is linked with the tilt angle of the motor housing, ensuring that the air outlet direction of the nozzle 661 is always consistent with the tilt direction of the motor housing, thereby realizing the adaptive adjustment of the airflow blowing angle.

[0028] More specifically, the fixed pulley 64 is installed at a height slightly higher than the through hole 63 to prevent the second wire rope 655 from rubbing against the through hole 63. The lead of the spiral groove of the reel 654 matches the diameter of the second wire rope 655 to avoid rope tangling when multiple layers are wound.

[0029] As a preferred embodiment, the dust removal assembly 66 further includes a nozzle 661 connected to the bottom of the inner cavity of the base 62 via a pin. The nozzle 661 is connected to a fan via an air pipe, which provides airflow to the nozzle 661. A third gear 662 is installed on the outer wall of the nozzle 661 and meshes with the second gear 653, so that the nozzle 661 changes the direction of airflow to remove dust from the motor housing.

[0030] Its detailed connection method is a well-known technology in this field. The following mainly introduces the working principle and process, and the specific work is as follows.

[0031] Step 1: The electric hoist 2 is responsible for winding or releasing the first wire rope 3 to realize the lifting and lowering of the cleaning mechanism 6, and hangs the motor housing on the hook 656 to realize the lifting of the motor housing, so that the motor housing can be transferred between the oxidation and painting processes. Step two: When it is necessary to remove dust and drain water during the oxidation process before treating the motor housing, the motor 651 drives the second gear 653 and the reel 654 to rotate clockwise and counterclockwise alternately. The two second steel wire ropes 655 on the reel 654 are wound and released alternately, thereby creating a height difference between the hooks 656 on the left and right sides, causing the motor housing to tilt. Under the transmission of the second gear 653 and the third gear 662, the nozzle 661 rotates as the motor housing tilts, and the blowing direction is consistent with the tilting direction of the motor housing. This not only blows away the dust on the surface of the motor housing, but also removes the chemicals on the surface of the motor housing during the immersion oxidation treatment, thus improving the oxidation treatment efficiency of the motor housing. Step 3: When it is necessary to check the painting quality of the motor housing, the motor housing pulls down the lifting device 42 by gravity. Under the action of the inclined surface of the slide groove 439, the roller 44 squeezes the slide groove 439 inward, causing the slide rod 436 to push the rack 437, increasing the rotational torque of the first gear 434. The swing rod 433 applies pressure to the pressure sensor 435, and the current inside the pressure sensor 435 changes. The processor 5 calculates the weight of the motor housing by analyzing the current change. By comparing the weight difference of the motor housing before and after painting, it can be determined whether the painting quality of the motor housing meets the requirements.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adaptive transmission device for machining motor housings, comprising a single-beam gantry crane (1) and two electric hoists (2), wherein the single-beam gantry crane (1) is mounted on the top of a gantry crane, and the two electric hoists (2) are respectively mounted on the front and rear sides of the bottom of the single-beam gantry crane (1), the single-beam gantry crane (1) being responsible for the lateral movement of the electric hoists (2), characterized in that, The electric hoist (2) has a first steel wire rope (3) wound inside. A paint quality inspection mechanism (4) is installed at the bottom of the first steel wire rope (3). The paint quality inspection mechanism (4) is raised and lowered by the electric hoist (2) winding and releasing the first steel wire rope (3). A processor (5) is installed on the top of the paint quality inspection mechanism (4), and a display is provided on the outer wall of the processor (5). A cleaning mechanism (6) is installed at the bottom of the paint quality inspection mechanism (4). The motor housing is hoisted by the cleaning mechanism (6). The paint quality inspection mechanism (4) includes a top plate (41) installed at the bottom of the first wire rope (3), the processor (5) is installed on the upper surface of the top plate (41), and the top plate (41) has lifting devices (42) installed at both the front and rear ends of the bottom. The top plate (41) has a gravity detection component (43) installed at the center of the bottom. The weight of the motor housing is detected by the gravity detection component (43) in cooperation with the processor (5). The outer wall of the lifting device (42) is equipped with rollers (44) that are inserted into the gravity detection component (43).

2. The adaptive transmission device for machining motor housings according to claim 1, characterized in that, The gravity detection component (43) includes a housing (431) installed at the center of the lower surface of the top plate (41). A first rotating shaft (432) capable of rotation is installed at the center of the inner cavity of the housing (431) via a bearing. A swing arm (433) and a first gear (434) are respectively installed at the upper and lower ends of the outer wall of the first rotating shaft (432). A pressure sensor (435) electrically connected to the processor (5) is installed on the rear side of the inner cavity of the housing (431). When the swing arm (433) rotates, it compresses the pressure sensor. Force sensor (435), processor (5) analyzes the change in current inside pressure sensor (435) to obtain the weight of motor housing. Slide rods (436) are inserted into both the front and rear sides of the housing (431). A rack (437) that meshes with the first gear (434) is installed on the inner side of the slide rod (436). A pressure plate (438) is installed on the outer side of the slide rod (436). A groove (439) is opened on the outer wall of the pressure plate (438), and a roller (44) is inserted into the inner cavity of the groove (439).

3. The adaptive transmission device for machining motor housings according to claim 2, characterized in that, The two racks (437) are respectively disposed on the left and right sides of the first gear (434).

4. The adaptive transmission device for machining motor housings according to claim 3, characterized in that, The groove (439) is inclinedly distributed on the outer wall of the pressure plate (438).

5. The adaptive transmission device for machining motor housings according to claim 4, characterized in that, The cleaning mechanism (6) includes a housing (61) installed at the bottom of the lifting device (42). A base (62) is installed on the lower surface of the housing (61), and the middle of the base (62) is open. Through holes (63) are provided at the four corners of the lower surface of the base (62). Fixed pulleys (64) are installed on the upper surface of the base (62) at the corresponding positions of the through holes (63). Length adjustment components (65) and dust removal components (66) are respectively installed at the upper and lower ends of the inner cavity of the base (62) along the front and rear directions. The hoisting angle of the motor housing is changed by the length adjustment components (65), while the dust removal components (66) can remove dust from the surface of the motor housing.

6. The adaptive transmission device for machining motor housings according to claim 5, characterized in that, The length adjustment assembly (65) includes a motor (651) mounted on the top front of the base (62). One end of the output end of the motor (651) is mounted on a second shaft (652), and the other end of the second shaft (652) is inserted into the inner wall of the base (62). A second gear (653) is mounted at the center of the outer wall of the second shaft (652), and a reel (654) is mounted at both ends of the outer wall of the second shaft (652). The motor (651) drives the second gear (653) on the second shaft (652) and the reel (654) to rotate clockwise or counterclockwise. Two second steel wire ropes (655) are wound around the outer wall of the reel (654), and the ends of the second steel wire ropes (655) pass through the through hole (63) and are equipped with hooks (656). The frictional resistance of the second steel wire ropes (655) when moving is reduced by the fixed pulley (64).

7. The adaptive transmission device for machining motor housings according to claim 6, characterized in that, The two second steel wire ropes (655) are wound in the same direction on the outer wall of the reel (654).

8. The adaptive transmission device for machining motor housings according to claim 7, characterized in that, The dust removal assembly (66) includes a nozzle (661) connected to the bottom of the inner cavity of the base (62) by a pin. The nozzle (661) is connected to a fan through an air pipe. The fan provides airflow to the nozzle (661). A third gear (662) is installed on the outer wall of the nozzle (661) and meshes with the second gear (653) to change the direction of airflow from the nozzle (661) and remove dust from the motor housing.

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