Automatic assembling mechanism for plastic parts

By designing an automatic plastic parts assembly mechanism consisting of a turntable, gears and a servo motor, stable positioning and automatic assembly of plastic parts of different shapes and specifications are achieved, solving the problem of frequent equipment replacement in the existing technology and improving efficiency and safety.

CN223370144UActive Publication Date: 2025-09-23SUZHOU CITY XINLONG PLASTIC MODEL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422871703.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-09-23
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing automatic assembly mechanisms are not convenient for positioning plastic parts of different shapes and specifications, resulting in the need to replace different assembly mechanisms, increasing costs and affecting efficiency.

Method used

An automatic assembly mechanism for plastic parts is used, including components such as a turntable, gears, a servo motor, an electric telescopic rod and a cylinder. The electric telescopic rod pushes the fixed block and the sliding column to position the plastic parts, and the turntable is driven by gear transmission to rotate for assembly, and the cylinder is automatically pressed to achieve automatic assembly without manual operation.

Benefits of technology

It improves the positioning stability and application range of plastic parts, reduces equipment requirements, saves time, improves assembly efficiency, and enhances safety, avoiding injuries to workers caused by flying parts.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223370144U_ABST
    Figure CN223370144U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic plastic part assembling mechanism, and belongs to the field of plastic part assembly.The automatic plastic part assembling mechanism comprises a table top, the top of the table top is rotationally connected with a rotating disc, the bottom of the rotating disc is fixedly connected with a connecting rod, a first gear is fixedly installed on the outer edge of the connecting rod, and a second gear is meshed with gear teeth on the outer edge of the first gear; the bottom of the second gear is fixedly connected with a power output shaft of a servo motor, a plurality of square grooves are annularly formed in the top of the rotary disc, and electric telescopic rods are fixedly installed in inner cavities of the square grooves. An electric telescopic rod is driven to push one fixing block to slide on the inner wall of the square groove until the two sides of the plastic part are in contact with anti-slip strips on the outer sides of sliding columns, so that the plastic part can be positioned, and it is guaranteed that the plastic part can be stably arranged on the inner wall of the square groove; and the plastic parts of different shapes and different sizes can be conveniently positioned through sliding of the sliding columns on the inner walls of the round holes and the elastic contraction force of the springs, and the application range is widened.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of plastic parts assembly, and in particular to an automatic assembly mechanism for plastic parts. Background Art

[0002] Plastic parts are widely used and are indispensable components in home appliances, automobiles, mobile phones, PCs, medical devices, and lighting appliances. As my country's economy has achieved sustained and stable growth, industries such as home appliances, automobiles, mobile phones, PCs, and medical devices have also achieved rapid development thanks to a favorable external environment, and automatic assembly mechanisms are required during processing.

[0003] Existing automatic assembly mechanisms are not convenient for positioning plastic parts of different shapes and specifications. Therefore, different assembly mechanisms need to be replaced when assembling plastic parts of different shapes and specifications, which requires the use of more equipment, increases cost expenditure, and affects operation efficiency. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present invention provides an automatic assembly mechanism for plastic parts, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solution: a plastic parts automatic assembly mechanism, including a table top, the top of the table top is rotatably connected to a turntable, the bottom of the turntable is fixedly connected to a connecting rod, the outer edge of the connecting rod is fixedly installed with gear 1, the outer edge of the gear 1 is meshed with gear 2, the bottom of the gear 2 is fixedly connected to the power output shaft of a servo motor, the top of the turntable is provided with a plurality of square grooves in a ring shape, the inner cavity of the square groove is fixedly installed with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to a fixed block, the inner wall of the fixed block is provided with a plurality of circular holes, the inner wall of the circular hole is fixedly connected to one end of a spring, and the other end of the spring is fixedly connected to a sliding column.

[0006] As a preferred embodiment, a bracket is fixedly installed on the outer side of the table top, a cylinder is fixedly installed on the top of the bracket, and the output shaft of the cylinder is slidably connected to the inner wall of the bracket and fixedly connected to the pressure plate.

[0007] By adopting the above technical solution, the pressure plate can be driven to drive the cylinder to move downward to automatically press the plastic parts placed on the inner wall of the square groove for assembly, ensuring convenience during installation, eliminating the need for manual operation, saving time and improving efficiency.

[0008] As a preferred embodiment, four supporting legs are fixedly installed on the bottom of the table top, and the four supporting legs are made of silicone and are symmetrically arranged at the four corners of the bottom of the table top.

[0009] By adopting the above technical solution, the device can be supported to ensure that the device can be stably placed at a location, and that the device will not easily shake or shift in position after being placed and during operation.

[0010] As a preferred embodiment, a fixing plate is fixedly installed on the bottom of the table top, and the end of the connecting rod away from the turntable is rotatably connected to the inner wall of the fixing plate.

[0011] By adopting the above technical solution, the connecting rod can be limited during rotation, ensuring that the connecting rod will not easily deviate or swing in position during rotation, thereby ensuring that the connecting rod can remain in a vertical state and continue to drive the turntable to rotate.

[0012] As a preferred embodiment, a motor frame is fixedly mounted on the bottom of the table, and a side of the servo motor away from the power output shaft is fixedly mounted on the top of the motor frame.

[0013] By adopting the above technical solution, the servo motor can be positioned, the stability of the servo motor during operation is guaranteed, and the servo motor will not shake during operation, thereby ensuring the stability of gear two during rotation.

[0014] As a preferred embodiment, a placement box is fixedly installed on the top of the turntable, and a plurality of partitions are installed on the inner wall of the placement box in a ring shape.

[0015] By adopting the above technical solution, the tools used for assembling plastic parts can be placed on the inner wall of the placement box, and the inner cavity of the placement box can be divided into multiple small spaces by using partitions, thereby facilitating the separate storage of the tools for the parts.

[0016] As a preferred embodiment, the outer diameter of the sliding column is adapted to the inner wall diameter of the circular hole, the sliding column is slidably connected to the inner wall of the circular hole, and an anti-slip strip is fixedly installed on the side of the sliding column away from the spring.

[0017] By adopting the above technical solution, the anti-slip strip can push the sliding column to slide on the inner wall of the circular hole when it is squeezed by the plastic part, so that it can cope with the positioning of plastic parts of different sizes, thereby improving the applicability of the device. The anti-slip strip can also increase the friction between the sliding column and the plastic part, ensuring that it will not easily fall off when squeezed.

[0018] As a preferred embodiment, the number of the fixed blocks is two, the number of the circular holes, springs, sliding columns and anti-slip strips is several, and the two fixed blocks and the several circular holes, springs, sliding columns and anti-slip strips are symmetrically arranged on the inner wall of the square groove, and the two groups of fixed blocks and the several circular holes, springs, sliding columns and anti-slip strips can be installed on the inner walls of the several square grooves, and the output end of the electric telescopic rod is slidably connected to the inner wall of the square groove.

[0019] By adopting the above technical solution, the plastic part to be assembled can be placed in the middle position of the two fixed blocks, and then the plastic part can be positioned from both sides using a plurality of sliding columns to ensure stability after positioning.

[0020] Beneficial effects of this application:

[0021] 1. This automatic assembly mechanism for plastic parts drives an electric telescopic rod to push one of the fixed blocks to slide on the inner wall of the square groove until both sides of the plastic part contact the anti-slip strips on the outside of the sliding column, thereby positioning the plastic part and ensuring that it can be stably set on the inner wall of the square groove. In addition, the sliding column slides on the inner wall of the circular hole and the elastic contraction force of the spring makes it easy to position plastic parts of different shapes and sizes, thereby improving the scope of application.

[0022] 2. This automatic assembly mechanism for plastic parts drives gear two to rotate by driving a servo motor, and then gear two can be used to transmit the rotational force to gear one and the connecting rod, and then the connecting rod can drive the turntable to rotate on the top of the table, so that the square grooves in other positions can be adjusted to be located below the pressure plate for assembly operations, and the staff can be in a fixed position away from the cylinder and the pressure plate for loading, avoiding injuries to the staff caused by splashing parts during the pressing process of the pressure plate, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the three-dimensional structure of this application;

[0024] Figure 2 This is a schematic diagram of the structure of the present application when viewed from above;

[0025] Figure 3 This is a schematic diagram of the local structure of this application.

[0026] Figure 4 This is a cross-sectional view and a partially enlarged structural diagram of the fixed block of this application.

[0027] Numbers in the figure: 1. Table; 2. Bracket; 3. Cylinder; 4. Pressure plate; 5. Support leg; 6. Turntable; 7. Connecting rod; 8. Gear 1; 9. Fixed plate; 10. Motor frame; 11. Servo motor; 12. Gear 2; 13. Square groove; 14. Placement box; 15. Electric telescopic rod; 16. Fixed block; 17. Round hole; 18. Spring; 19. Sliding column; 20. Anti-slip strip. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0029] Reference Figure 1-4 A plastic parts automatic assembly mechanism includes a table 1, the top of the table 1 is rotatably connected to a turntable 6, the bottom of the turntable 6 is fixedly connected to a connecting rod 7, the outer edge of the connecting rod 7 is fixedly installed with a gear 1 8, the outer edge of the gear 1 8 is meshed with a gear 2 12, the bottom of the gear 2 12 is fixedly connected to the power output shaft of a servo motor 11, the top of the turntable 6 is annularly provided with a plurality of square grooves 13, the inner cavity of the square groove 13 is fixedly installed with an electric telescopic rod 15, the output end of the electric telescopic rod 15 is fixedly connected to a fixed block 16, the inner wall of the fixed block 16 is provided with a plurality of circular holes 17, the inner wall of the circular hole 17 is fixedly connected to one end of a spring 18, and the other end of the spring 18 is fixedly connected to a sliding column 19.

[0030] See Figure 1 and Figure 2 A bracket 2 is fixedly installed on the outside of the table top 1, and a cylinder 3 is fixedly installed on the top of the bracket 2. The output shaft of the cylinder 3 is slidably connected to the inner wall of the bracket 2 and fixedly connected to the pressure plate 4, so that the pressure plate 4 can be driven to drive the cylinder 3 to move downward to automatically press the plastic parts placed on the inner wall of the square groove 13 for assembly, ensuring convenience during installation, eliminating the need for manual operation, saving time and improving efficiency.

[0031] See Figure 1 Four supporting legs 5 are fixedly installed on the bottom of the table 1, and the four supporting legs 5 are made of silicone and symmetrically arranged at the four corners of the bottom of the table 1, so that the device can be supported and ensured to be stably placed in place. After placement and during operation, the device will not easily shake or shift in position.

[0032] See Figure 2A fixing plate 9 is fixedly installed at the bottom of the table 1, and the end of the connecting rod 7 away from the turntable 6 is rotatably connected to the inner wall of the fixing plate 9, so that the connecting rod 7 can be limited during rotation, ensuring that the connecting rod 7 will not easily deviate or swing in position during rotation, thereby ensuring that the connecting rod 7 can be in a vertical state and continue to drive the turntable 6 to rotate.

[0033] See Figure 2 A motor frame 10 is fixedly installed at the bottom of the table 1, and the side of the servo motor 11 away from the power output shaft is fixedly installed on the top of the motor frame 10, so that the servo motor 11 can be positioned to ensure the stability of the servo motor 11 during operation, and to ensure that the servo motor 11 does not shake during operation, thereby ensuring the stability of the gear 2 12 during rotation.

[0034] See Figure 1 and Figure 3 A placement box 14 is fixedly installed on the top of the turntable 6. The inner wall of the placement box 14 is annularly installed with several partitions, so that the tools used to assemble plastic parts can be placed on the inner wall of the placement box 14, and the partitions can be used to divide the inner cavity of the placement box 14 into multiple small spaces, which makes it easier to store the tools for the parts separately.

[0035] See Figure 4 The outer diameter of the sliding column 19 is adapted to the inner wall diameter of the circular hole 17, and the sliding column 19 is slidably connected to the inner wall of the circular hole 17. The side of the sliding column 19 away from the spring 18 is fixedly installed with an anti-slip strip 20, so that the anti-slip strip 20 can push the sliding column 19 to slide on the inner wall of the circular hole 17 when it is squeezed by the plastic part, thereby coping with the positioning of plastic parts of different sizes, thereby improving the applicability of the device. In addition, the anti-slip strip 20 can increase the friction between the sliding column 19 and the plastic part, ensuring that it will not easily detach when squeezed.

[0036] See Figure 3 and Figure 4 , the number of fixed blocks 16 is two, the number of circular holes 17, springs 18, sliding columns 19 and anti-slip strips 20 are all several, and the two fixed blocks 16 and the several circular holes 17, springs 18, sliding columns 19 and anti-slip strips 20 are symmetrically arranged on the inner wall of the square groove 13, and the two groups of fixed blocks 16 and the several circular holes 17, springs 18, sliding columns 19 and anti-slip strips 20 can be installed on the inner walls of the several square grooves 13, and the output end of the electric telescopic rod 15 is slidably connected to the inner wall of the square groove 13, so that the plastic parts to be assembled can be placed in the middle position of the two fixed blocks 16, and then the several sliding columns 19 are used to position the plastic parts from both sides to ensure stability after positioning.

[0037] Working principle: When using this device, first place the plastic part to be assembled in the middle position of the two fixed blocks 16 on the inner wall of the square groove 13, and then drive the electric telescopic rod 15 to push one of the fixed blocks 16 to slide on the inner wall of the square groove 13 until both sides of the plastic part are in contact with the anti-slip strips 20 on the outside of the sliding column 19, thereby positioning the plastic part to ensure that it can be stably set on the inner wall of the square groove 13, and utilize the sliding column 19 to slide on the inner wall of the circular hole 17 and the elastic contraction force of the spring 18 to facilitate the positioning of plastic parts of different shapes and sizes, thereby improving the scope of application, and then drive the pressure plate 4 to drive the cylinder 3 to move downward to The plastic parts placed on the inner wall of the square groove 13 for assembly are automatically pressed together, which ensures convenience during installation and eliminates the need for manual operation, saving time and improving efficiency. At the same time, the servo motor 11 can be driven to drive gear 2 12 to rotate, and then gear 2 12 can be used to transmit the rotating force to gear 1 8 and connecting rod 7, and then connecting rod 7 can drive the turntable 6 to rotate on the top of the table 1, so that the square grooves 13 in other positions can be adjusted to be in the position below the pressure plate 4 for assembly operations, and the staff can be in a fixed position away from the cylinder 3 and the pressure plate 4 to load the materials, avoiding the damage to the staff caused by the splashing of parts during the pressing process of the pressure plate 4, thereby improving safety.

[0038] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "two ends," "one end," "the other end," and the like, indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0040] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are merely illustrative and are not intended to limit the scope of protection of the present invention. Those skilled in the art may make various modifications and variations to the present invention based on the spirit and principles of the present invention, and such modifications and variations are also within the scope of the present invention.

Claims

1. A plastic parts automatic assembly mechanism, comprising a table (1), characterized in that: The top of the table (1) is rotatably connected to a turntable (6), the bottom of the turntable (6) is fixedly connected to a connecting rod (7), the outer edge of the connecting rod (7) is fixedly mounted with a gear 1 (8), the outer edge of the gear 1 (8) is meshed with a gear 2 (12), the bottom of the gear 2 (12) is fixedly connected to a power output shaft of a servo motor (11), the top of the turntable (6) is provided with a plurality of square grooves (13) in an annular shape, the inner cavity of the square groove (13) is fixedly mounted with an electric telescopic rod (15), the output end of the electric telescopic rod (15) is fixedly connected to a fixed block (16), the inner wall of the fixed block (16) is provided with a plurality of circular holes (17), one end of a spring (18) is fixedly connected to the inner wall of the circular hole (17), and the other end of the spring (18) is fixedly connected to a sliding column (19).

2. The automatic assembly mechanism for plastic parts according to claim 1, characterized in that: A bracket (2) is fixedly mounted on the outer side of the table (1), a cylinder (3) is fixedly mounted on the top of the bracket (2), and an output shaft of the cylinder (3) is slidably connected to the inner wall of the bracket (2) and fixedly connected to the pressure plate (4).

3. The automatic assembly mechanism for plastic parts according to claim 1, characterized in that: Four supporting legs (5) are fixedly mounted on the bottom of the table top (1), and the four supporting legs (5) are made of silica gel and are symmetrically arranged at the four corners of the bottom of the table top (1).

4. The automatic assembly mechanism for plastic parts according to claim 1, characterized in that: A fixing plate (9) is fixedly mounted on the bottom of the tabletop (1), and one end of the connecting rod (7) away from the turntable (6) is rotatably connected to the inner wall of the fixing plate (9).

5. The automatic assembly mechanism for plastic parts according to claim 1, characterized in that: A motor frame (10) is fixedly mounted on the bottom of the tabletop (1), and a side of the servo motor (11) away from the power output shaft is fixedly mounted on the top of the motor frame (10).

6. The automatic assembly mechanism for plastic parts according to claim 1, characterized in that: A placement box (14) is fixedly mounted on the top of the turntable (6), and a plurality of partitions are mounted on the inner wall of the placement box (14) in a ring shape.

7. The automatic assembly mechanism for plastic parts according to claim 1, characterized in that: The outer diameter of the sliding column (19) is adapted to the inner wall diameter of the circular hole (17), and the sliding column (19) is slidably connected to the inner wall of the circular hole (17). An anti-slip strip (20) is fixedly installed on the side of the sliding column (19) away from the spring (18).

8. The automatic assembly mechanism for plastic parts according to claim 1, characterized in that: The number of the fixed blocks (16) is two, the number of the circular holes (17), the springs (18), the sliding columns (19) and the anti-slip strips (20) is several, and the two fixed blocks (16) and the several circular holes (17), the springs (18), the sliding columns (19) and the anti-slip strips (20) are symmetrically arranged on the inner wall of the square groove (13), and the two groups of fixed blocks (16) and the several circular holes (17), the springs (18), the sliding columns (19) and the anti-slip strips (20) can be installed on the inner walls of the several square grooves (13), and the output end of the electric telescopic rod (15) is slidably connected to the inner wall of the square groove (13).