Lip gloss aluminum tube burr and inner cover assembly anti-bur device
By combining a support frame and a shaping module, the problem of fraying at the brush tip during the assembly of the lip gloss cap was solved, achieving the shaping and gathering of the brush tip and improving the quality of the lip brush.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU HAIMING PACKAGING TECH CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-07-14
AI Technical Summary
During the assembly of the lip gloss cap, the lip brush bristles are prone to fraying, which affects subsequent use.
The device employs a combination of a support frame and a shaping module. The support frame includes a base and a support arm, while the shaping module includes a drive cylinder and a shaping seat. The drive cylinder drives the shaping seat downward, causing the shaping cover to be fitted onto the burr of the aluminum tube, restoring the burr to its gathered state.
It effectively prevents the lip brush bristles from fraying during assembly, ensuring that the bristles return to a gathered state and improving the lip brush's performance.
Smart Images

Figure CN224483289U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cosmetic container processing technology, and in particular to an anti-fragmentation device for assembling the burr tip and inner cap of an aluminum tube for lip gloss. Background Technology
[0002] Lip gloss containers typically consist of two parts: a lip gloss tube and a lid. The lid contains a lip brush, which uses bristles at the end to pick up the lip gloss for application.
[0003] In the lip gloss container, the top cover includes an outer shell, an inner cover, and a lip brush. The lip brush is fixedly installed on the inner cover, which is fixed inside the outer shell. Specifically, the lip brush can be made of an aluminum tube as the handle, with a brush head at the end of the aluminum tube, forming an aluminum tube bristle.
[0004] During the assembly of the top cover, the lip brush needs to be assembled with the inner cover first. During the assembly process, the bristles at the end of the lip brush may become frizzy, that is, the bristles lose their original neat and gathered shape and become fluffy, scattered, forked or even curled outwards, which will affect the subsequent use of the lip brush. Utility Model Content
[0005] The purpose of this utility model is to provide a device to prevent the lip gloss brush tip from fraying during the assembly of the lip gloss brush tip and inner cap, so as to solve the problem of the lip gloss brush tip fraying during the assembly process and affecting the subsequent use of the lip brush.
[0006] To achieve the above objectives, this utility model adopts the following technical solution: a device for preventing burr fraying when assembling the lip gloss aluminum tube tip and inner cap, comprising:
[0007] The support frame includes a base and a support arm. A contour positioning seat is provided on the base, and an inner cover is inserted into the contour positioning seat. The aluminum tube on the inner cover has its rough head pointing vertically upward.
[0008] The shaping module includes a drive cylinder and a shaping seat. The drive cylinder is fixedly mounted on the support arm, and the piston rod of the drive cylinder passes through the support arm and connects to the shaping seat.
[0009] The shaping seat includes a seat body and an inner plug. The inner plug is detachably installed in the seat body, and a shaping cover is provided on the inner plug. The shaping cover is positioned above the burr of the aluminum tube.
[0010] As a further description of the above technical solution:
[0011] The base is equipped with a removable pad, and the contour positioning seat is fixedly installed on the pad.
[0012] As a further description of the above technical solution:
[0013] The back of the pad is provided with several first plug-in plates, each with a first through hole. The base is provided with plug-in holes corresponding to the positions of the first plug-in plates. The first locking bolt is threaded onto the base, and the end of the first locking bolt extends into the plug-in hole and the first through hole in sequence.
[0014] As a further description of the above technical solution:
[0015] The bottom of the first connector plate is semi-circular.
[0016] As a further description of the above technical solution:
[0017] The inner plug has a blind hole, and the second locking bolt is threaded onto the seat body, with the end of the bolt extending into the blind hole.
[0018] As a further description of the above technical solution:
[0019] A start switch is located on one side of the base, and an emergency stop switch is located on the opposite side.
[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0021] 1. In this utility model, to prevent the bristles on the aluminum tube tip of the inner cover from fraying, after assembling the inner cover and the lip brush, the inner cover is inserted into the contour positioning seat, with the aluminum tube tip of the lip brush on the inner cover facing vertically upwards. Then, the drive cylinder drives the shaping seat downwards, and the shaping cover inside the shaping seat fits onto the aluminum tube tip from top to bottom. The shape of the shaping cover shapes the aluminum tube tip, restoring the bristles to a gathered state.
[0022] 2. In this utility model, the start switch is used to activate the shaping module to shape the rough edges of the aluminum tube, thereby actuating the drive cylinder. The start switch and emergency brake switch are respectively located on both sides of the base, effectively preventing accidental operation. Attached Figure Description
[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0024] Figure 1 This is a schematic diagram of a device for preventing burr from assembling the burr tip and inner cap of an aluminum tube with lip gloss.
[0025] Figure 2 This is a schematic diagram of a shaping device for preventing burr formation when assembling the burr tip and inner cap of an aluminum tube with lip gloss.
[0026] Figure 3 This is a structural disassembly diagram of an anti-burr device for assembling the burr tip and inner cap of an aluminum tube for lip gloss.
[0027] Figure 4 This is a schematic diagram of the shaping seat in an anti-burr device for assembling the burr tip and inner cap of a lip gloss aluminum tube.
[0028] Legend:
[0029] 1. Support frame; 11. Base; 111. Insertion hole; 12. Support arm; 13. Contouring positioning seat; 14. Pad; 141. First insertion plate; 1411. First through hole; 15. First locking bolt; 2. Drive cylinder; 3. Shaping seat; 31. Seat body; 32. Inner plug; 321. Shaping cover; 322. Blind hole; 33. Second locking bolt; 4. Start switch; 9. Inner cover; 91. Aluminum tube burr. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0031] Example 1
[0032] Please see Figure 1-4 This utility model provides a technical solution: a device for preventing burr from assembling the lip gloss aluminum tube tip and inner cap, comprising:
[0033] Support frame 1 includes a base 11 and a support arm 12. A contour positioning seat 13 is provided on the base 11. An inner cover 9 is inserted into the contour positioning seat 13. The aluminum tube burr 91 on the inner cover 9 is vertically upward.
[0034] The shaping module includes a drive cylinder 2 and a shaping seat 3. The drive cylinder 2 is fixedly mounted on the support arm 12, and the piston rod of the drive cylinder 2 passes through the support arm 12 and connects to the shaping seat 3.
[0035] The shaping seat 3 includes a seat body 31 and an inner plug 32. The inner plug 32 is detachably installed inside the seat body 31. A shaping cover 321 is provided on the inner plug 32. The shaping cover 321 is positioned above the aluminum tube burr 91.
[0036] A start switch 4 is located on one side of the base 11, and an emergency stop switch is located on the opposite side. The start switch 4 is used to activate the shaping module to shape the aluminum tube burr 91, thereby actuating the drive cylinder 2. The start switch 4 and the emergency stop switch are located on opposite sides of the base 11 to effectively prevent accidental operation.
[0037] Working principle: To prevent the aluminum tube bristles 91 on the inner cover 9 from fraying, after assembling the inner cover 9 with the lip brush, the inner cover 9 is inserted into the contour positioning seat 13, with the aluminum tube bristles 91 on the inner cover 9 facing vertically upwards. Then, the drive cylinder 2 drives the shaping seat 3 downwards. The shaping cover 321 of the inner plug 32 in the shaping seat 3 is fitted onto the aluminum tube bristles 91 from top to bottom. The shape of the shaping cover 321 shapes the aluminum tube bristles 91, restoring the bristles on the aluminum tube bristles 91 to a gathered state.
[0038] Example 2
[0039] Based on the above embodiments, this embodiment further improves upon the following technical solution: a detachable pad 14 is provided on the base 11, and the contour positioning seat 13 is fixedly installed on the pad 14.
[0040] Specifically, the back of the pad 14 is provided with several first plug-in plates 141, each with a first through hole 1411. The base 11 is provided with plug-in holes 111 corresponding to the positions of the first plug-in plates 141. The first locking bolt 15 is threadedly connected to the base 11. The end of the screw of the first locking bolt 15 extends into the plug-in hole 111 and the first through hole 1411 in sequence, so as to realize the detachable installation of the pad 14 and facilitate the flexible replacement of the pad 14 and the contour positioning seat 13 to adapt to the processing needs of different specifications of lip gloss tubes.
[0041] The bottom of the first plug-in plate 141 is semi-circular, which facilitates the insertion and fixing of the pad 14 and the base 11.
[0042] Example 3
[0043] Based on the above embodiments, this embodiment further improves upon the following technical solution: a blind hole 322 is provided on the inner plug 32, and the second locking bolt 33 is threadedly connected to the seat 31, with the end of the screw of the second locking bolt 33 extending into the blind hole 322.
[0044] When the inner plug 32 is installed, after the bottom flange of the inner plug 32 abuts against the lower end face of the seat 31, the inner plug 32 is installed in place in the vertical direction. Then, the second locking bolt 33 is rotated so that the end of the screw of the second locking bolt 33 extends into the inner cavity of the seat 31 (i.e. the inner plug 32 mounting cavity) and the blind hole 322 in sequence, thereby locking the inner plug 32.
[0045] To ensure the locking effect of the inner plug 32, as shown in the attached diagram, two or more second locking bolts 33 can be used.
[0046] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A device for preventing fraying when assembling the burr tip and inner cap of an aluminum lip gloss tube, characterized in that, include: A support frame includes a base and a support arm. A contour positioning seat is provided on the base, and an inner cover is inserted into the contour positioning seat. The aluminum tube on the inner cover has its rough head pointing vertically upward. A shaping module includes a drive cylinder and a shaping seat. The drive cylinder is fixedly mounted on the support arm, and the piston rod of the drive cylinder passes through the support arm and connects to the shaping seat. The shaping seat includes a seat body and an inner plug. The inner plug is detachably installed in the seat body, and a shaping cover is provided on the inner plug. The shaping cover is positioned above the burr of the aluminum tube.
2. The anti-fraying device for assembling the burr tip and inner cap of a lip gloss aluminum tube according to claim 1, characterized in that, The base is provided with a removable pad, and the contour positioning seat is fixedly installed on the pad.
3. The anti-fraying device for assembling the burr tip and inner cap of a lip gloss aluminum tube according to claim 2, characterized in that, The back of the pad is provided with a plurality of first plug-in plates, each first plug-in plate having a first through hole. The base is provided with plug-in holes corresponding to the positions of the first plug-in plates. A first locking bolt is threaded onto the base, with the end of the bolt extending sequentially into the plug-in hole and the first through hole.
4. The anti-burring device for assembling the lip gloss aluminum tube and inner cap according to claim 3, characterized in that, The bottom of the first connector plate is semi-circular.
5. The anti-fraying device for assembling the burr tip and inner cap of a lip gloss aluminum tube according to claim 1, characterized in that, The inner plug is provided with a blind hole, and the second locking bolt is threaded onto the seat body, with the end of the screw of the second locking bolt extending into the blind hole.
6. The anti-burring device for assembling the lip gloss aluminum tube and inner cap according to claim 1, characterized in that, A start switch is provided on one side of the base, and an emergency stop switch is provided on the opposite side.