Precision gear packaging equipment

By designing automated precision gear packaging equipment, the problems of low efficiency and damage caused by traditional manual packaging have been solved, achieving a high-efficiency and low-loss gear packaging process.

CN224184569UActive Publication Date: 2026-05-01HUAIAN SHUANGYANG PRECISION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUAIAN SHUANGYANG PRECISION TECHNOLOGY CO LTD
Filing Date
2025-06-17
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Traditional manual packaging of precision gears is inefficient, cannot meet the needs of mass production, and is prone to damage such as bumps and scratches, affecting product yield.

Method used

Design a precision gear packaging device that includes a double-layer conveying component, a flipping component, a material picking component, and a capping component. Through coordinated operation, the device can achieve fully automated packaging of the entire process of gear conveying, flipping, picking, transferring, and capping.

Benefits of technology

It improves the packaging efficiency of precision gears, reduces labor costs and the risk of bumps and scratches, and meets the needs of modern manufacturing for efficient and low-loss production.

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Abstract

The utility model relates to precise gear packaging equipment which comprises a cabinet body, a double-layer conveying assembly is installed on one side of the cabinet body, and a material taking assembly and a cover sealing assembly are installed on the double-layer conveying assembly. The double-layer conveying assembly comprises a first conveying belt and a second conveying belt. The material taking assembly comprises a front sealing plate and a rear sealing plate, an electric push rod is installed on one side of the front sealing plate and one side of the rear sealing plate, a sliding rail is installed on the front sealing plate, a sliding block is installed on the sliding rail, a movable plate is installed on the sliding block, the output end of the electric push rod is connected with the movable plate, and a rotating shaft penetrates through the middle of the movable plate. A roller is mounted on the rotating block, a special-shaped groove is formed in the rear sealing plate, and the roller is clamped in the special-shaped groove; a first cylinder is mounted on the mounting plate; a rotating cylinder is mounted at the output end of the first cylinder; a sucker seat is mounted at the lower end of the rotating cylinder; a plurality of suckers are mounted at two ends of the sucker seat;
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Description

Technical Field

[0001] This utility model belongs to the field of gear packaging technology, specifically relating to a precision gear packaging device. Background Technology

[0002] In modern manufacturing, precision gears are core transmission components of mechanical equipment, and their quality directly affects the performance and reliability of these machines. With the rapid development of the manufacturing industry, the market demand for precision gears is increasing daily, and traditional manual packaging methods are gradually revealing many drawbacks.

[0003] Manual packaging of precision gears relies heavily on worker skill and work condition. Even experienced workers struggle to significantly improve packaging efficiency under prolonged, high-intensity work, failing to meet the demands of mass production. This leads to extended production cycles and increased production costs. Furthermore, during manual packaging, workers are prone to accidentally bumping and scratching gears while handling them, severely impacting product yield and increasing waste costs. Therefore, there is an urgent need for specialized packaging equipment for precision gears. Utility Model Content

[0004] The purpose of this utility model is to provide a precision gear packaging device that can realize the entire process of packaging precision gears, including conveying, flipping, gripping, transferring and sealing.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: a precision gear packaging equipment, including a cabinet, a double-layer conveying assembly installed on the cabinet, and a material picking assembly and a sealing assembly installed on one side of the double-layer conveying assembly;

[0006] The double-layer conveyor assembly includes a first conveyor belt, a second conveyor belt arranged parallel above the first conveyor belt, and a flipping mechanism installed at the end of the second conveyor belt;

[0007] The material handling assembly includes a front sealing plate and a rear sealing plate. An electric push rod is installed on one side of the front and rear sealing plates. A slide rail is installed on the front sealing plate, and a slider is slidably installed on the slide rail. A movable plate is installed on the slider. The output end of the electric push rod is connected to the movable plate. A rotating shaft passes through the middle of the movable plate. A rotating block is rotatably installed at one end of the rotating shaft. A roller is installed on the rotating block. A shaped groove is opened on the rear sealing plate, and the roller is stuck in the shaped groove. A chuck is provided at the other end of the rotating shaft. The chuck can rotate to the end of the second conveyor belt.

[0008] The sealing assembly includes a column, an mounting plate at the top of the column, a first cylinder on the mounting plate, a rotary cylinder at the output end of the cylinder, a suction cup seat at the lower end of the rotary cylinder, several suction cups at both ends of the suction cup seat, a placement box inside the cabinet, one end of the suction cup seat being above the first conveyor belt, and the other end being directly above the placement box.

[0009] Furthermore, the first conveyor belt is fixedly installed on the cabinet, and the surface of the first conveyor belt is provided with evenly spaced strip-shaped protrusions, with packaging boxes placed between the strip-shaped protrusions of the first conveyor belt.

[0010] Furthermore, there is a certain distance between the first conveyor belt and the second conveyor belt, and the length of the second conveyor belt is less than the length of the first conveyor belt. Gears are placed on the second conveyor belt, and several connecting plates are fixedly connected between the first conveyor belt and the second conveyor belt.

[0011] Furthermore, limit seats are installed on both sides of the first conveyor belt and the second conveyor belt. A circular hole is horizontally opened on the limit seat, and a limit post passes through the circular hole. A threaded hole is vertically opened on the limit seat, and the threaded hole communicates with the circular hole. A screw is screwed into the threaded hole, and the end of the screw rests on the surface of the limit post. A limit plate is fixedly installed at one end of the limit post, and the limit plate is located above the strip-shaped convex ridge.

[0012] Furthermore, the flipping mechanism includes electric push rods hinged to both sides of the second conveyor belt, and flipping frames with L-shaped plates hinged to both sides of the second conveyor belt. The flipping frames are located in front of the electric push rods and are divided into long arms and short arms. The output end of the electric push rods is hinged to the bottom surface of the long arm of the flipping frame. An L-shaped flipping plate is connected between the flipping frames on both sides, and the flipping plate is divided into a long plate and a short plate.

[0013] Furthermore, a clamping seat is fixedly installed at one end of the rotating shaft, and a dual-axis cylinder is fixedly installed at the lower end of the clamping seat. The top ends of the two output shafts of the dual-axis cylinder are connected to clamping blocks. The chuck is horizontally installed at the lower end of the clamping block. The clamping surface of the chuck is arc-shaped and made of rubber.

[0014] Furthermore, the material handling component includes a mounting base, which is fixedly mounted on the cabinet. The rear sealing plate and the front sealing plate are vertically fixedly mounted on the mounting base, and a connecting block is fixedly connected between the rear sealing plate and the front sealing plate.

[0015] Furthermore, the movable plate has a circular hole through which a rotating shaft passes, and the front sealing plate has a straight groove through which the rotating shaft extends and can move horizontally along the straight groove.

[0016] Furthermore, the cabinet has a rectangular hole, a storage box is installed in the rectangular hole, an electric cylinder is vertically installed in the storage box, a push plate is installed at the top of the electric cylinder, and several packaging caps are stacked on the push plate, with the surface of the topmost packaging cap parallel to the surface of the cabinet.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: The packaging box is placed on the first conveyor belt, and the packaging box moves to below the clamp via the first conveyor belt. The gear is placed on the second conveyor belt, and the gear moves forward under the push of the second conveyor belt and slides onto the flipping plate. The flipping frame is rotated by the electric push rod, which drives the gear to rotate, so that the gear changes from a horizontal state to a vertical state. Subsequently, the moving plate is moved by the electric push rod, so that the clamping block and the clamp flip to the end of the second gear. The clamp is then driven by the dual-shaft cylinder to grip the gear on the flipping assembly. Subsequently, the electric push rod reverses and drives the moving plate to reset, so that the clamping block and the clamp rotate to directly above the first conveyor belt, and the clamping block opens, placing the gear into the packaging box on the first conveyor belt. The packaging box moves to below the sealing assembly via the first conveyor belt, and then the suction cup seat moves downward by the first cylinder, and the suction cup adsorbs the packaging lid placed inside the box. The suction cup seat is rotated to the top of the first conveyor belt by a rotary cylinder, and then the first cylinder moves the packing cover downward to put the packing cover on the packing box, thus completing the packing of the gear.

[0018] This invention utilizes the coordinated operation of a double-layer conveying assembly, a flipping assembly, a material handling assembly, and a sealing assembly to increase the packaging efficiency and product yield of precision gears, reduce labor costs and the risk of gears being bumped and scratched during the packaging process, as well as waste product losses, thus meeting the needs of modern manufacturing for large-scale, high-precision production. Attached Figure Description

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

[0020] Figure 2 This is a side view schematic diagram of the overall structure of this utility model;

[0021] Figure 3 This is a schematic side view of the structure of this utility model in the gripping gear state;

[0022] Figure 4 This is a schematic diagram of the structure at point A of this utility model;

[0023] Figure 5 This is a schematic diagram of the double-layer conveying assembly structure of this utility model;

[0024] Figure 6 This is a schematic diagram of the structure at point B of this utility model;

[0025] Figure 7 This is a schematic diagram of the material handling component structure of this utility model;

[0026] Figure 8 This is a bottom view schematic diagram of the capping component structure of this utility model;

[0027] Among them, 100-cabinet body, 101-first conveyor belt, 102-second conveyor belt, 103-strip ridge, 104-connecting plate, 105-limiting seat, 106-screw, 107-limiting post, 108-limiting plate, 109-electric telescopic rod, 110-tilting frame, 111-tilting plate, 201-mounting base, 202-front sealing plate, 203-rear sealing plate, 204-connecting block, 205-slide rail, 206-... 207-Slider, 208-Moving plate, 209-Electric actuator, 210-Rotating shaft, 211-Rotating block, 212-Irregular groove, 213-Straight groove, 214-Clamping seat, 215-Dual-axis cylinder, 216-Clamping block, 217-Chuck, 301-Column, 302-Mounting plate, 303-First cylinder, 304-Rotating cylinder, 305-Suction cup seat, 306-Suction cup, 307-Placement box. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It should be understood that the preferred embodiments described herein are only for illustration and explanation of the present utility model and are not intended to limit the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The components of the embodiments of the present utility model described and shown in the accompanying drawings can be arranged and designed in various different configurations. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model. In the embodiments, the components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the present application.

[0029] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" 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; they can refer to an electrical connection; they can refer to a hydraulic connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0030] See Figure 1As shown, this utility model provides a precision gear packaging device, including a cabinet 100. A double-layer conveyor assembly is installed on one side of the cabinet 100, which can convey packaging boxes and gears. A material-grabbing assembly is installed on one side of the conveyor belt assembly, which can grab the gears and place them in the packaging box. A capping assembly is installed on one side of the material-grabbing assembly, which can grab the packaging cap and fasten it onto the packaging box to achieve gear packaging.

[0031] The aforementioned double-layer conveyor assembly includes a first conveyor belt 101, which is fixedly mounted on the cabinet 100. The surface of the first conveyor belt 101 is provided with evenly spaced strip-shaped protrusions 103, and a packaging box is placed between the strip-shaped protrusions 103. A second conveyor belt 102 is arranged parallel above the first conveyor belt 101, with a certain distance between them, and the length of the second conveyor belt 102 is less than the length of the first conveyor belt 101. Gears are horizontally placed on the second conveyor belt 102. Several connecting plates 104 are connected to both sides of the first conveyor belt 101 and the second conveyor belt, and the first conveyor belt 101 and the second conveyor belt are fixedly connected by the connecting plates 104.

[0032] Limit seats 105 are installed on both sides of the first conveyor belt 101 and the second conveyor belt 102. A circular hole is horizontally opened on the limit seat 105, through which a limit post 107 passes. A threaded hole is vertically opened on the limit seat 105, communicating with the circular hole. A screw 106 is screwed into the threaded hole, with its end resting against the surface of the limit post 107. A limit plate 108 is fixedly installed at one end of the limit post 107. The limit plates 108 on both sides are symmetrically distributed, and the distance between the two limit plates 108 can be adjusted by turning the screw 106. The limit plates 108 can position the packaging box and gears to the middle position of the conveyor belt assembly. It should be noted that the limit plates 108 on both sides of the first conveyor belt 101 are located above the strip-shaped protrusion 103 of the first conveyor belt 101.

[0033] A tilting mechanism is installed at the end of the second conveyor belt. The tilting mechanism includes electrically telescopic rods 109 hinged to both sides of the second conveyor belt 102. L-shaped tilting frames 110 are also hinged to both sides of the second conveyor belt 102. The tilting frames 110 are located in front of the electrically telescopic rods 109 and consist of a long arm and a short arm. The output end of the electrically telescopic rods 109 is hinged to the bottom surface of the long arm of the tilting frame 110. An L-shaped tilting plate 111 is connected between the two tilting frames 110. The tilting plate 111 consists of a long plate and a short plate.

[0034] In the initial state, the electric telescopic rod 109 is retracted. The long plates of the two side tilting plates 111 are flush with the second conveyor belt 102, and the short plates are perpendicular to the second conveyor belt 102. The gear slides down onto the upper long plate of the tilting plate 111 as pushed by the second conveyor. At this time, the electric telescopic rod 109 pushes the tilting frame 110 to rotate around the hinge point, causing the tilting plate 111 to drive the gear to rotate, turning the gear from a horizontal state to a vertical state, waiting for the material picking component to grab and package it. After the gear is grabbed, the electric telescopic rod 109 retracts back to its initial position, driving the tilting frame 110 and the tilting plate 111 to reset, waiting for the next gear to be conveyed.

[0035] The material handling assembly includes a mounting base 201, which is fixedly mounted on the cabinet 100. A front sealing plate 202 and a rear sealing plate 203 are vertically fixedly mounted on the mounting base 201, and a connecting block 204 is fixedly connected between the front sealing plate 202 and the rear sealing plate 203. Two slide rails 205 are mounted on the front sealing plate 202, located between the rear sealing plate 203 and the front sealing plate 202. A slider 206 is slidably mounted on each slide rail 205, and a movable plate 207 is installed between the two sliders 206. An electric actuator 208 is fixedly mounted on one side of the rear sealing plate 203 and the front sealing plate 202, and the output end of the electric actuator 208 is fixedly connected to the movable plate 207. The electric actuator 208 can drive the movable plate 207 to move horizontally along the slide rails 205.

[0036] A circular hole is provided on the movable plate 207, through which a rotating shaft 209 passes. The rotating shaft 209 can rotate on the movable plate 207. A rotating block 210 is rotatably mounted on one end of the rotating shaft 209, and a roller 211 is mounted on the rotating block 210. An irregularly shaped groove 212 is provided on the rear sealing plate 203, and the roller 211 is engaged in the irregularly shaped groove 212 and can roll along the irregularly shaped groove 212. A straight groove 213 is provided on the front sealing plate 202, through which the rotating shaft 209 extends, and the rotating shaft 209 can move horizontally along the straight groove 213.

[0037] A clamping seat 214 is fixedly installed at the other end of the rotating shaft 209. A dual-axis cylinder 215 is fixedly installed at the lower end of the clamping seat 214. The top ends of the two output shafts of the dual-axis cylinder 215 are connected to clamping blocks 216. A chuck 217 is horizontally installed at the lower end of each clamping block 216. The clamping surface of the chuck 217 is arc-shaped and made of rubber.

[0038] In the initial state, the clamping block 216 and the chuck 217 are located directly above the first conveyor belt 101 and on one side of the second conveyor belt 102. When the electric push rod 208 drives the moving plate 207 to move horizontally, the rotating shaft 209 slides synchronously along the straight groove 213 of the front sealing plate 202. The roller 211 on the rotating block 210 rolls in the irregular groove 212 and pushes the rotating block 210 to rotate around the rotating shaft 209, so that the clamping block 216 and the chuck 217 rotate from being perpendicular to the first conveyor belt 101 to being parallel to the first conveyor belt 101. At this time, the clamping block 216 and the chuck 217 are located at the end of the second conveyor belt 102. The electric push rod 208 drives the moving plate 207 to continue to move horizontally, so that the chuck 217 contacts the gear, and the dual-shaft cylinder 215 drives the chuck 217 to grip the gear on the flipping assembly. Subsequently, the electric actuator 208 reverses and drives the moving plate 207 to reset. The roller 211 rolls in the reverse direction within the irregular groove 212, causing the clamping block 216 and the chuck 217 to rotate directly above the first conveyor belt 101, opening the chuck 217 and placing the gripped gear into the packaging box on the first conveyor belt 101. The packaging box containing the gear can then be sealed using the sealing assembly.

[0039] The sealing assembly includes two uprights 301 fixedly mounted on a frame, located at one end of the first conveyor belt 101. A mounting plate 302 is horizontally fixedly mounted at the top of the two uprights 301. A first cylinder 303 is invertedly mounted in the middle of the mounting plate 302, and a rotary cylinder 304 is mounted at the output end of the cylinder. A suction cup seat 305 is fixedly mounted at the lower end of the rotary cylinder 304, and the suction cup seat 305 can rotate on the rotary cylinder 304. Several suction cups 306 are mounted at both ends of the suction cup seat 305.

[0040] A rectangular hole is provided on the frame, and a placement box 307 is installed in the rectangular hole. Several packaging lids are stacked in the placement box 307. A push plate is installed at the bottom of the placement box 307. An electric cylinder is vertically installed on the rear sealing plate 203 of the placement box 307, and a push plate is installed at the top of the electric cylinder. The packaging lids are placed on the push plate. One end of the suction cup seat 305 is located above the first conveyor belt 101, and the other end is located directly above the placement box 307.

[0041] When the first cylinder 303 moves the suction cup base 305 and suction cup 306 downwards, the suction cup 306 at one end of the suction cup base 305 can adsorb the topmost packaging cover placed in the placement box 307. After adsorption, the rotary cylinder 304 drives the suction cup base 305 to rotate 180 degrees, rotating the packaging cover to above the packaging box on the first conveyor belt 101. Then, the first cylinder 303 drives the suction cup base 305 and suction cup 306 downwards. During the downward movement, the suction cup 306 adsorbing the packaging cover can fasten the packaging cover onto the packaging box, while the suction cup 306 at the other end can adsorb the packaging cover in the placement box 307, preparing for packaging the next gear. During this process, the electric cylinder drives the push plate to push several packaging covers upwards, so that the topmost packaging cover is always parallel to the upper surface of the cabinet 100.

[0042] Example: A packaging box is placed on the first conveyor belt 101, and the box moves along the first conveyor belt 101 to below the chuck 217. The gear is placed horizontally on the second conveyor belt 102, and moves forward under the push of the second conveyor belt 102, sliding onto the flipping plate 111. An electric telescopic rod 109 pushes the flipping frame 110 to rotate, causing the gear to rotate and change from a horizontal to a vertical position. Subsequently, an electric push rod 208 moves the moving plate 207, causing the clamping block 216 and the chuck 217 to flip to the end of the second conveyor belt 106. A dual-axis cylinder 215 then drives the chuck 217 to grip the gear on the flipping assembly. Subsequently, the electric push rod 208 reverses direction, causing the moving plate 207 to reset, rotating the clamping block 216 and the chuck 217 to directly above the first conveyor belt 101, and opening the chuck 217 to place the gear inside the packaging box on the first conveyor belt 101. The packaging box moves to below the sealing assembly via the first conveyor belt 101. Then, the first cylinder 303 drives the suction cup seat 305 downward, and the suction cup 306 adsorbs the packaging lid placed in the box 307. The rotary cylinder 304 drives the suction cup seat 305 to rotate above the first conveyor belt 101, and then the first cylinder 303 drives the packaging lid downward to fasten the packaging lid onto the packaging box, completing the packaging of the gears.

[0043] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be primarily defined by the scope of the claims.

Claims

1. A precision gear packaging apparatus characterized by: Includes a cabinet, on which a double-layer conveyor assembly is installed, and on one side of the double-layer conveyor assembly are a material picking assembly and a sealing assembly; The double-layer conveyor assembly includes a first conveyor belt, a second conveyor belt arranged parallel above the first conveyor belt, and a flipping mechanism installed at the end of the second conveyor belt; The material handling assembly includes a front sealing plate and a rear sealing plate. An electric push rod is installed on one side of the front and rear sealing plates. A slide rail is installed on the front sealing plate, and a slider is slidably installed on the slide rail. A movable plate is installed on the slider. The output end of the electric push rod is connected to the movable plate. A rotating shaft passes through the middle of the movable plate. A rotating block is rotatably installed at one end of the rotating shaft. A roller is installed on the rotating block. A shaped groove is opened on the rear sealing plate, and the roller is stuck in the shaped groove. A chuck is provided at the other end of the rotating shaft. The chuck can rotate to the end of the second conveyor belt. The sealing assembly includes a column, an mounting plate at the top of the column, a first cylinder on the mounting plate, a rotary cylinder at the output end of the cylinder, a suction cup seat at the lower end of the rotary cylinder, several suction cups at both ends of the suction cup seat, a placement box inside the cabinet, one end of the suction cup seat being above the first conveyor belt, and the other end being directly above the placement box.

2. The precision gear packaging equipment according to claim 1, characterized in that: The first conveyor belt is fixedly installed on the cabinet. The surface of the first conveyor belt is provided with evenly spaced strip-shaped protrusions, and a packaging box is placed between the strip-shaped protrusions of the first conveyor belt.

3. A precision gear packaging apparatus as defined in claim 1, wherein: The first conveyor belt and the second conveyor belt are separated by a certain distance, and the length of the second conveyor belt is less than that of the first conveyor belt. Gears are placed on the second conveyor belt, and several connecting plates are fixedly connected between the first conveyor belt and the second conveyor belt.

4. A precision gear packaging apparatus as defined in claim 1, wherein: Limit seats are installed on both sides of the first and second conveyor belts. A circular hole is opened horizontally on the limit seat, and a limit post passes through the circular hole. A threaded hole is opened vertically on the limit seat, and the threaded hole is connected to the circular hole. A screw is screwed into the threaded hole, and the end of the screw rests on the surface of the limit post. A limit plate is fixedly installed at one end of the limit post, and the limit plate is located above the strip-shaped convex ridge.

5. The precision gear packaging equipment according to claim 1, characterized in that: The flipping mechanism includes electric push rods hinged to both sides of the second conveyor belt, and flipping frames with L-shaped plates hinged to both sides of the second conveyor belt. The flipping frames are located in front of the electric push rods and are divided into long arms and short arms. The output end of the electric push rods is hinged to the bottom surface of the long arm of the flipping frame. L-shaped flipping plates are connected between the flipping frames on both sides. The flipping plates are divided into long plates and short plates.

6. The precision gear packaging equipment according to claim 1, characterized in that: A clamping seat is fixedly installed at one end of the rotating shaft, and a dual-axis cylinder is fixedly installed at the lower end of the clamping seat. The top ends of the two output shafts of the dual-axis cylinder are connected to clamping blocks. The chuck is horizontally installed at the lower end of the clamping block. The clamping surface of the chuck is arc-shaped and made of rubber.

7. A precision gear packaging apparatus as defined in claim 1, wherein: The material handling assembly includes a mounting base, which is fixedly mounted on the cabinet. The rear sealing plate and the front sealing plate are vertically fixedly mounted on the mounting base, and a connecting block is fixedly connected between the rear sealing plate and the front sealing plate.

8. A precision gear packaging apparatus as defined in claim 1, wherein: The movable plate has a circular hole through which a rotating shaft passes. The front cover plate has a straight groove through which the rotating shaft extends and can move horizontally along the groove.

9. A precision gear packaging device according to claim 1, characterized in that: The cabinet has a rectangular hole, a storage box is installed in the rectangular hole, an electric cylinder is vertically installed in the storage box, a push plate is installed on the top of the electric cylinder, and several packaging caps are stacked on the push plate, with the surface of the top packaging cap parallel to the surface of the cabinet.