Automatic inner hole O-shaped ring assembling device

Abstract

The utility model discloses an automatic assembling device for an inner hole O-shaped ring, which belongs to the technical field of automobile engines and comprises a contraction structure, the contraction structure comprises a tightening cylinder, the tightening cylinder is fixedly mounted on the top surface of an upper mounting plate, and the upper mounting plate is fixedly connected with a lower mounting plate through an upper support column. The telescopic end of the tightening air cylinder penetrates through the upper mounting plate and is fixedly connected with a grabbing rod, and the grabbing rod is in sliding fit with the bottom of the lower mounting plate. The deformation structure and the tightening structure are matched for use, the structure is simple, convenience and practicability are achieved, the O-shaped ring is retracted into the guide sleeve after being deformed through the elastic deformation capacity of the O-shaped ring, the O-shaped ring is released after being moved to the assembling position, the grabbing rod is rotated through the rotating air cylinder, and it is guaranteed that the O-shaped ring is restored to the original shape and is smoothly assembled into the O-shaped groove; the O-shaped ring is successfully installed, the mechanical structure can ensure that the O-shaped ring is successfully installed at the position, debugging is convenient, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile engines, in particular to an automatic assembly device for inner hole O-rings. Background Art

[0002] An inner hole O-ring is a seal that is usually used to provide sealing and waterproofing functions inside a shaft or hole. It is usually made of rubber or other elastic materials and has a circular cross-section that can form a seal inside a shaft or hole. Inner hole O-rings are usually used in mechanical equipment, automobiles, home appliances and other industrial equipment to prevent leakage of liquids, gases or dust.

[0003] After searching, in the prior art, Chinese patent publication number: CN214162021U discloses an O-ring automatic clamping device, including a fixed seat, a step is arranged on the upper end of the fixed seat, a product positioning hole is arranged on the upper left end of the step, and a pressing ring cylinder is arranged around the product positioning hole, an O-ring grabbing claw is arranged above the right end of the step, and a vertically arranged grabbing cylinder is arranged on the upper end of the O-ring grabbing claw, the grabbing cylinder is fixedly mounted on the upper end of the transverse slide, and the transverse slide is mounted on the upper end of the fixed seat through a transverse drive assembly. The utility model first places the product into the product positioning hole, fixes the product through the product positioning hole, and then drives the O-ring grabbing claw to move up and down through the grabbing cylinder to grab the O-ring, and the transverse slide moves transversely to above the product positioning hole. The O-ring grabbing claw descends to put the O-ring on the product, and the terminal of the pressing cylinder extends to press the O-ring into the groove of the product; therefore, the utility model has the advantages of novel design, simple structure, high degree of automation, good clamping effect and high efficiency.

[0004] However, the device and the prior art also have the following defects:

[0005] The existing automatic assembly of inner hole O-rings mostly uses clamps to grab and install the O-rings. The early grabbing and debugging are difficult, the success rate of the later automatic assembly is not very high, and the purchase cost of the clamps is high. This device and the existing technology do not solve this problem. Utility Model Content

[0006] The purpose of the utility model is to provide an automatic assembly device for inner hole O-rings, which cooperates with a deformation structure and a tightening structure by setting up a deformation structure and utilizing the elastic deformation ability of the O-ring to deform the O-ring and then put it into a guide sleeve, move it to the assembly position and then release the O-ring, and utilize a rotary cylinder to rotate the grab bar to ensure that the O-ring returns to its original state and is smoothly assembled into the O-groove, thereby achieving successful installation of the O-ring. The mechanical structure can ensure that the O-ring is successfully installed in place, facilitates debugging, and reduces costs, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An automatic assembly device for inner hole O-rings includes a shrinking structure, which includes a tightening cylinder, which is fixedly mounted on the top surface of an upper mounting plate, and the upper mounting plate is fixedly connected to a lower mounting plate via an upper support, and the telescopic end of the tightening cylinder passes through the upper mounting plate and is fixedly connected to a grab bar, and the grab bar is slidably matched with the bottom of the lower mounting plate, and a guide sleeve is rotatably mounted on the bottom of the lower mounting plate, and the grab bar is slidably mounted inside the guide sleeve, and a slider is fixedly mounted on the bottom of the grab bar, and the slider is slidably matched with the bottom of the guide sleeve, and a mounting structure is provided above the upper mounting plate, and a deformation device is provided below the guide sleeve.

[0009] Preferably, the mounting structure comprises a rotary cylinder, the rotary cylinder is fixedly mounted on the bottom of the connecting plate, the movable end of the rotary cylinder is fixedly connected to the top surface of the mounting frame, and the bottom of the mounting frame is fixedly mounted around the top surface of the upper mounting plate.

[0010] Preferably, the deformation device comprises a clamping cylinder, which is fixedly installed below the moving platform, and the movable end of the clamping cylinder is fixedly connected to a claw clamp, which is arranged inside the moving platform.

[0011] Preferably, the bottom of the movable platform is arranged on a slide rail, and the movable platform is slidably matched with the slide rail.

[0012] Preferably, a connecting piece is provided on the top of the grabbing rod, the connecting piece is arranged above the guide sleeve, the grabbing rod is fixedly connected to the grabbing cylinder via the connecting piece, and a limiting block is provided on the top of the connecting piece.

[0013] Preferably, a limiting sleeve is provided on the guide sleeve, and the limiting sleeve is fixedly installed around the bottom of the guide sleeve.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is simple in structure, convenient and practical by setting a deformation structure and a tightening structure for use together. The elastic deformation ability of the O-ring is utilized to deform the O-ring and then put it into the guide sleeve, and then the O-ring is moved to the assembly position and then released. The grab bar is rotated by a rotary cylinder to ensure that the O-ring returns to its original state and is smoothly assembled into the O-groove, thereby realizing successful installation of the O-ring. The mechanical structure can ensure that the O-ring is successfully installed in the position, which is convenient for debugging and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 for Figure 2 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. tightening cylinder; 2. upper mounting plate; 3. upper support; 4. lower mounting plate; 5. grab bar; 6. guide sleeve; 7. slider; 8. rotary cylinder; 9. connecting plate; 10. mounting frame; 11. clamping cylinder; 12. moving table; 13. claw clamp; 14. slide rail; 15. connecting piece; 16. limit block; 17. limit sleeve. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 3 , the utility model provides a technical solution:

[0022] The automatic assembly device for inner hole O-rings includes a contraction structure, which includes a tightening cylinder 1, which is fixedly installed on the top surface of an upper mounting plate 2, and the upper mounting plate 2 is fixedly connected to a lower mounting plate 4 through an upper support 3. The telescopic end of the tightening cylinder 1 passes through the upper mounting plate 2 and is fixedly connected to a grab bar 5, and the grab bar 5 is slidably matched with the bottom of the lower mounting plate 4. A guide sleeve 6 is rotatably installed at the bottom of the lower mounting plate 4, and the grab bar 5 is slidably installed inside the guide sleeve 6. A slider 7 is fixedly installed at the bottom of the grab bar 5, and the slider 7 is slidably matched with the bottom of the guide sleeve 6. By setting The contraction structure can shrink the O-ring into the guide sleeve 6, so that the larger O-ring can be inserted into the smaller inner hole, which greatly improves the assembly efficiency; a connecting piece 15 is provided on the top of the grabbing rod 5, and the connecting piece 15 is provided above the guide sleeve 6. The grabbing rod 5 is fixedly connected to the grabbing cylinder through the connecting piece 15. A limiting block 16 is provided on the top of the connecting piece 15, and a limiting sleeve 17 is provided on the guide sleeve 6. The limiting sleeve 17 is fixedly installed around the bottom of the guide sleeve 6. By providing the limiting sleeve 17, it is ensured that the entry depth is exactly consistent with the position of the O-ring and the O-ring groove.

[0023] A mounting structure is provided above the upper mounting plate 2, and the mounting structure includes a rotary cylinder 8, which is fixedly mounted on the bottom of the connecting plate 9, and the movable end of the rotary cylinder 8 is fixedly connected to the top surface of the mounting frame 10, and the bottom of the mounting frame 10 is fixedly mounted on the top surface of the upper mounting plate 2. By providing the rotary cylinder 8 and rotating the grab bar 5, the O-ring can be rotated and stretched open, ensuring that the O-ring is restored to its original state and smoothly assembled into the O-groove, thereby achieving successful installation of the O-ring.

[0024] A deformation device is provided below the guide sleeve 6, and the deformation device includes a clamping cylinder 11. The clamping cylinder 11 is fixedly installed below the moving platform 12. The movable end of the clamping cylinder 11 is fixedly connected to a claw clamp 13. The claw clamp 13 is provided inside the moving platform 12. The bottom of the moving platform 12 is provided on a slide rail 14. The moving platform 12 and the slide rail 14 are slidably matched. By providing the deformation device, the O-ring can be deformed to facilitate grasping and shrinking.

[0025] When in use, the device is moved to the specified position, and the clamping cylinder 11 is started. The clamping cylinder 11 drives the clamping claw to clamp the O-ring on the movable platform 12 to the grasping position, and the tightening cylinder 1 is controlled to drive the grabbing rod 5 to tighten the O-ring on the slider 7 at the bottom of the grabbing rod 5 into the guide sleeve 6, and move to the engine position where the O-ring needs to be assembled. The limit sleeve 17 ensures that the entry depth is just consistent with the position of the O-ring and the O-ring groove. The tightening cylinder 1 is controlled to extend and the O-ring is sent into the O-ring groove position. The rotary cylinder 8 is controlled to rotate, and the movable end of the rotary cylinder 8 drives the grabbing rod 5 to open the O-ring and enter the O-ring groove, thereby realizing the automatic assembly of the O-ring.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic assembly device for inner hole O-rings, including a shrinking structure, characterized in that: The contraction structure comprises a tightening cylinder (1), wherein the tightening cylinder (1) is fixedly mounted on the top surface of an upper mounting plate (2), wherein the upper mounting plate (2) is fixedly connected to a lower mounting plate (4) via an upper support (3), wherein the telescopic end of the tightening cylinder (1) passes through the upper mounting plate (2) and is fixedly connected to a grab bar (5), wherein the grab bar (5) is slidably matched with the bottom of the lower mounting plate (4), wherein a guide sleeve (6) is rotatably mounted on the bottom of the lower mounting plate (4), wherein the grab bar (5) is slidably mounted inside the guide sleeve (6), wherein a slider (7) is fixedly mounted on the bottom of the grab bar (5), wherein the slider (7) is slidably matched with the bottom of the guide sleeve (6), wherein a mounting structure is arranged above the upper mounting plate (2), and wherein a deformation device is arranged below the guide sleeve (6).

2. The inner hole O-ring automatic assembly device according to claim 1 is characterized in that: The mounting structure comprises a rotary cylinder (8), wherein the rotary cylinder (8) is fixedly mounted on the bottom of a connecting plate (9), the movable end of the rotary cylinder (8) is fixedly connected to the top surface of a mounting frame (10), and the bottom of the mounting frame (10) is fixedly mounted around the top surface of the upper mounting plate (2).

3. The inner hole O-ring automatic assembly device according to claim 1 is characterized in that: The deformation device comprises a clamping cylinder (11), the clamping cylinder (11) is fixedly installed below the moving platform (12), the movable end of the clamping cylinder (11) is fixedly connected to a claw clamp (13), and the claw clamp (13) is arranged inside the moving platform (12).

4. The automatic assembly device for inner hole O-ring according to claim 3 is characterized in that: The bottom of the movable platform (12) is arranged on a slide rail (14), and the movable platform (12) and the slide rail (14) are slidably matched.

5. The inner hole O-ring automatic assembly device according to claim 1 is characterized in that: A connecting piece (15) is provided at the top of the grabbing rod (5), and the connecting piece (15) is arranged above the guide sleeve (6). The grabbing rod (5) is fixedly connected to the grabbing cylinder via the connecting piece (15), and a limiting block (16) is provided at the top of the connecting piece (15).

6. The automatic assembly device for inner hole O-ring according to claim 5, characterized in that: A limiting sleeve (17) is provided on the guide sleeve (6), and the limiting sleeve (17) is fixedly mounted around the bottom of the guide sleeve (6).

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