Sealant package trimming device

Abstract

The present invention discloses a sealant package trimming device, comprising a repair portion for removing sealant from the edge of a package, a package contouring portion for wrapping the package, and a spring. The package contouring portion and the spring are disposed within the repair portion, and the package contouring portion is enabled to float up and down within the repair portion by the spring. A bearing movably connected to the package contouring portion is sleeved on the package contouring portion, and the bearing is fixedly connected to the repair portion. The present invention not only removes excess sealant from the edge of a package while avoiding damage to the package, but also improves repair efficiency while enabling operation in a confined space. Furthermore, both the package contouring portion and the repair portion are made of plastic, thus avoiding damage to components.

Description

Technical Field

[0001] The invention belongs to the field of aviation sealant construction, and in particular relates to a sealant package trimming device. Background Art

[0002] In the aviation industry, sealing fasteners such as screws and bolts is often necessary. However, when applying seal caps to components, the amount of sealant that overflows from the bottom edge of the cap is uncontrollable, resulting in the resulting package edge shape failing to meet process requirements. Therefore, after installation, the package shape must be reshaped to meet process requirements.

[0003] Chinese patent application CN104295739A discloses a device comprising: a sealing cap configured to be adhered to and sealed to a fastener element; and a plurality of protrusions associated with the sealing cap, wherein the protrusions are configured to trim excess material around the sealing cap when the protrusions are moved along an interface formed between the sealing cap and an object to which the fastener element is mounted. During use, the sealing cap is injected into a hollow portion and then pressed downwardly toward the fastener element, during which excess sealant is squeezed out and overflows from the bottom edge of the sealing cap; and the sealing cap is rotated by a tool, driving the protrusions to trim the overflowed sealant.

[0004] While the above technology effectively solves the problem of sealant overflowing from the bottom of the sealing cap, resulting in an edge profile that fails to meet process requirements, it is primarily used to remove the overflowed sealant during the sealing process of fastener components. After the actual installation is completed, the edges of the package may sometimes require secondary repair due to incomplete or missed cuts, or due to the failure to use the aforementioned sealing cap with a cut-off function. This repair is difficult, inefficient, and can damage the package due to curing and other factors. Summary of the Invention

[0005] In order to solve the problems existing in the prior art, the present invention aims to provide a sealant package trimming device, which can be used in conjunction with a power tool to quickly and safely remove the sealant from the edge of the package after construction is completed.

[0006] In order to achieve the above technical objectives and effects, the present invention is implemented through the following technical solutions:

[0007] A sealant package trimming device includes a repair part for cutting off sealant at the edge of the package, a package shaping part for wrapping the package, and a spring. The package shaping part and the spring are arranged in the repair part, and the package shaping part floats up and down in the repair part through the spring; a bearing movably connected to the package shaping part is sleeved on the package shaping part, and the bearing is fixedly connected to the repair part.

[0008] Furthermore, the repair part includes a repair body, a cutter for cutting off the sealant at the edge of the package, and a handle for connecting to a power tool; a hollow part is provided on the repair body, the opening of the hollow part passes through the lower end surface of the repair body, the package profiling part and the spring are arranged in the hollow part, and the spring is located between the upper end surface of the package profiling part and the top surface of the hollow part, and the bearing is fixed in the hollow part; the cutter is arranged on the lower end surface of the repair body, and the cutter is arranged around the opening of the hollow part; the handle is arranged on the upper end surface of the repair body.

[0009] Furthermore, the axial center lines of the repair body, the hollow portion and the handle coincide with each other.

[0010] Furthermore, the handle is a hexagonal handle.

[0011] Furthermore, the cutter is a sawtooth cutter, and the cutters are evenly arranged around the opening of the hollow portion.

[0012] Furthermore, the repair body, the handle and the cutter are integrally formed.

[0013] Furthermore, the package shaping part includes a package shaping inner liner for wrapping the package, a connecting part and a limiting cover; the connecting part is located at the upper end of the package shaping inner liner, and the two are integrally formed, and the bearing sleeve is arranged on the connecting part; the limiting cover is fixed to the upper end of the connecting part, and the spring is located between the upper end surface of the limiting cover and the inner top surface of the hollow part.

[0014] Furthermore, the outer diameter of the connecting portion is smaller than the inner diameter of the bearing, and the outer diameter of the limiting cover is larger than the inner diameter of the bearing.

[0015] Furthermore, the limiting cover is locked and connected to the connecting portion by means of a locking screw.

[0016] Furthermore, the repairing portion and the package profiling portion are both made of plastic.

[0017] The beneficial effects of the present invention are as follows: the present invention realizes power drive by adopting an inner and outer cavity design, that is, the package profiling part is arranged in the repair part, and a handle connected to the power tool chuck is provided on the repair part; when the sealing edge exceeds the sealant, the device buckled on the package is pressed down to achieve the repair part to move downward to cut off the sealant, while the package profiling part wraps the package and does not rotate with the repair part, which not only achieves the cutting off of the package edge exceeding the sealant while avoiding damage to the package, but also improves the repair efficiency and realizes operation in a small space; secondly, the package profiling part and the repair part are both made of plastic material, which also avoids damage to parts.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following preferred embodiments of the present invention are described in detail with reference to the accompanying drawings. The specific implementation methods of the present invention are given in detail by the following embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 Schematic diagram of the overall structure of the device of the present invention;

[0021] Figure 2 It is a cross-sectional view of the device of the present invention;

[0022] Figure 3 A top view of the device of the present invention;

[0023] Figure 4 It is a cross-sectional view of the repair part of the present invention;

[0024] Figure 5 It is a cross-sectional view of the package profiling portion of the present invention.

[0025] Explanation of the numbers in the figure: 1. Repair part; 2. Package profiling part; 3. Spring; 4. Bearing; 101. Repair body; 102. Cutter; 103. Handle; 1011. Hollow part; 201. Package profiling liner; 202. Connecting part; 203. Limiting cover. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0027] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] See also Figure 1-2 As shown, a sealant package trimming device includes a repair part 1 for cutting off the sealant at the edge of the package, a package shaping part 2 and a spring 3 for wrapping the package, the package shaping part 2 and the spring 3 are arranged in the repair part 1, and the package shaping part 2 is floated up and down in the repair part 1 by the spring 3; a bearing 4 movably connected to the package shaping part 2 is sleeved on the package shaping part 2, and the bearing 4 is fixedly connected to the repair part 1; wherein, during repair, the repair part 1 is rotated by being connected to a power tool, and during rotation, the package shaping part 2 does not rotate with it under the action of the bearing 4, thereby effectively avoiding damage to the package when the repair part 1 cuts off the sealant at the edge of the package.

[0029] For further information, see Figure 1-2 and Figure 4 As shown, the repair part 1 includes a repair body 101, a cutter 102 for cutting off the sealant at the edge of the package, and a handle 103 for connecting to a power tool; a hollow part 1011 is provided on the repair body 101, and the opening of the hollow part 1011 passes through the lower end surface of the repair body 101, the package profiling part 2 and the spring 3 are arranged in the hollow part 1011, and the spring 3 is located between the upper end surface of the package profiling part 2 and the inner top surface of the hollow part 1011, and the bearing 4 is fixed in the hollow part 1011; the cutter 102 is arranged on the lower end surface of the repair body 101, and the cutter 102 is arranged around the opening of the hollow part 1011; the handle 103 is arranged on the upper end surface of the repair body 101.

[0030] In this embodiment, the bearing 4 and the hollow portion 1011 are tightly fitted to achieve a fixed connection between the two, while the axial center lines of the two coincide with each other; the spring 3 is compressed as the package profiling portion 2 moves upward, and the lower end of the spring 3 is abutted against the upper end surface of the package profiling portion 2, and the upper end of the spring 3 is abutted against the inner top surface of the hollow portion 1011.

[0031] Furthermore, the axial center lines of the repair body 101, the hollow portion 1011 and the handle 103 coincide with each other.

[0032] For further information, see Figure 1 and Figure 3As shown, the handle 103 adopts a hexagonal handle, which is convenient for connection with the chuck of the power tool.

[0033] For further information, see Figure 1 As shown, the cutter 102 is a sawtooth cutter, and the cutter 102 is evenly arranged around the opening of the hollow part 1011.

[0034] Furthermore, the repair body 101, the handle 103 and the cutter 102 are integrally formed, but are not limited to integrally formed. Other connection methods may also be used, such as welding, gluing, etc., as long as the connection strength of the three can be achieved.

[0035] For further information, see Figure 2 and Figure 5 As shown, the package shaping part 2 includes a package shaping inner liner 201 for wrapping packages, a connecting part 202 and a limiting cover 203; the connecting part 202 is located at the upper end of the package shaping inner liner 201, and the two are integrally formed, and the bearing 4 is sleeved on the connecting part 202; the limiting cover 203 is fixed to the upper end of the connecting part 202, and the spring 3 is located between the upper end surface of the limiting cover 203 and the inner top surface of the hollow part 1011.

[0036] Furthermore, the outer diameter of the connecting portion 202 is slightly smaller than the inner diameter of the bearing 4, so that the package profiling portion 2 can float up and down on the bearing 4. When combined, the connecting portion 202 and the bearing 4 are preferably connected in a sliding manner; the outer diameter of the limiting cover 203 is larger than the inner diameter of the bearing 4, preventing the package profiling portion 2 from falling off from the bearing 4 when moving downward, that is, falling off from the repair portion 1.

[0037] Furthermore, the limiting cover 203 is locked and connected to the connecting portion 202 by a locking screw, but is not limited to being connected with the locking screw. Other methods such as threads, pins, etc. can also be used as long as the two can be quickly and detachably connected.

[0038] Furthermore, the repairing portion 1 and the encapsulating contouring portion 2 are both made of plastic, which can effectively prevent damage to metal parts during construction.

[0039] The working principle of the present invention is as follows:

[0040] Before use, first put the bearing 4 on the connecting part 202; then fix the limit cover 203 on the upper end of the connecting part 202 to complete the assembly of the package profiling part 2 and the bearing 4; then install the spring 3 and the assembled package profiling part 2 and bearing 4 combination into the hollow part 1011 of the repair body 101 in turn to complete the assembly of the device.

[0041] In the assembled device, the downward pressure of spring 3 tends to drive packet-shaping unit 2 away from hollow portion 1011. Therefore, under normal conditions, the lower end of packet-shaping liner 201 in packet-shaping unit 2 is pushed out of hollow portion 1011 and protrudes beyond the lowermost end of cutter 102, ultimately being restrained by contact between the lower end surface of stopper cap 203 and the upper end surface of bearing 4. Consequently, in the absence of external force acting on spring 3, the device maintains this state.

[0042] When in use, the device is first connected to the chuck of the power tool via the handle 103; the connected device is then placed on the package to be repaired. At this time, the package-profiling liner 201 wraps the package inside it, and the lower end of the package-profiling liner 201 rests on the plane around the edge of the package body. The cutter 102 set at the lower end of the repair body 101 does not touch the excess sealant on the edge of the package; then the operator applies external force to the power tool, causing the repair part 1 to move downward through the compression spring 3, so that the cutter 102 contacts the sealant; then the power tool is started, at this time, the repair part 1 starts to rotate, and the package-profiling part 2 does not rotate with it under the action of the bearing 4, so that the cutter 102 can cut off the excess sealant without causing damage to the package.

[0043] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A sealant package trimming device, characterized in that: The invention comprises a repairing portion (1) for cutting off the sealant at the edge of the package, a package profiling portion (2) for wrapping the package, and a spring (3), wherein the package profiling portion (2) and the spring (3) are arranged in the repairing portion (1), and the package profiling portion (2) is floated up and down in the repairing portion (1) by the spring (3); a bearing (4) movably connected to the package profiling portion (2) is sleeved on the package profiling portion (2), and the bearing (4) is fixedly connected to the repairing portion (1); The repair part (1) comprises a repair body (101), a cutter (102) for cutting off the sealant at the edge of the package, and a handle (103) for connecting to a power tool; a hollow part (1011) is provided on the repair body (101), the opening of the hollow part (1011) passes through the lower end surface of the repair body (101); the package profiling part (2) and the spring (3) are arranged in the hollow part (1011), and the spring (3) is located between the upper end surface of the package profiling part (2) and the inner top surface of the hollow part (1011); the bearing (4) is fixed in the hollow part (1011); the cutter (102) is arranged on the lower end surface of the repair body (101), and the cutter (102) is arranged around the opening of the hollow part (1011); the handle (103) is arranged on the upper end surface of the repair body (101).

2. The sealant package trimming device according to claim 1, wherein: The axial center lines of the repair body (101), the hollow portion (1011) and the handle (103) coincide with each other.

3. The sealant package trimming device according to claim 2, wherein: The handle (103) is a hexagonal handle.

4. The sealant package trimming device according to claim 2, wherein: The cutter (102) is a sawtooth cutter, and the cutter (102) is evenly arranged around the opening of the hollow portion (1011).

5. The sealant package trimming device according to any one of claims 1 to 4, characterized in that: The repair body (101), the handle (103) and the cutter (102) are integrally formed.

6. The sealant packet trimming device according to claim 1, wherein: The package profiling portion (2) comprises a package profiling inner liner (201) for wrapping the package, a connecting portion (202) and a limiting cover (203); the connecting portion (202) is located at the upper end of the package profiling inner liner (201), and the two are integrally formed, and the bearing (4) is sleeved on the connecting portion (202); the limiting cover (203) is fixed to the upper end of the connecting portion (202), and the spring (3) is located between the upper end surface of the limiting cover (203) and the inner top surface of the hollow portion (1011).

7. The sealant packet trimming device according to claim 6, wherein: The outer diameter of the connecting portion (202) is smaller than the inner diameter of the bearing (4), and the outer diameter of the limiting cover (203) is larger than the inner diameter of the bearing (4).

8. The sealant packet trimming device according to claim 6, wherein: The limiting cover (203) is locked and connected to the connecting portion (202) by means of a locking screw.

9. The sealant packet trimming device according to claim 1, wherein: The repairing portion (1) and the package profiling portion (2) are both made of plastic.

Images