Aerosol bottle necking and capping apparatus and method

By evenly distributing rolling cutters around the periphery of the soft mist bottle sleeve and rotating them to roll out alternating indentations, combined with clamping and flanging devices, the problems of bottle sleeve bulging and deformation were solved, thus improving production quality and efficiency.

CN115256977BActive Publication Date: 2026-01-23TRUKING TECH LTD
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Patent Information

Application Number
CN202210842214.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-18
Publication Date
2026-01-23
Estimated Expiration
2042-07-18

AI Technical Summary

Technical Problem

The existing denting process for soft spray bottles can easily cause the bottle sleeve to bulge, and the lower part will deform during the closure process, affecting product quality.

Method used

A die with first and second indentations evenly distributed around the bottle sleeve is used. Each die rotates simultaneously relative to the bottle sleeve to roll out indentations spaced vertically. The necking part is controlled by a clamping mechanism, and an inward flanging is formed in combination with a flanging device. A visual inspection device is used for quality control.

Benefits of technology

This prevents bottle sleeve bulging, improves production quality and efficiency, and ensures product stability and sealing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a soft spray bottle necking and cover rolling device, which comprises a necking device for necking a bottle sleeve with a bottle body; a rolling groove device, the peripheral side of the bottle sleeve is uniformly provided with rolling cutters for rolling out first rolling marks and second rolling marks on the peripheral side of the bottle sleeve, each rolling cutter can rotate relative to the bottle sleeve, and concave marks can be rolled out on the peripheral side of the bottle sleeve; and a flanging device, the flanging device makes the top opening part of the bottle sleeve turn inward to form an inner flange to roll a cover; and a soft spray bottle necking and cover rolling method, which comprises the following steps: feeding; pressing the bottle; necking; rolling the groove; flanging; and detecting. The soft spray bottle necking and cover rolling device and method have the advantages of avoiding bulging and improving production quality.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of food and medicine packaging machinery equipment, in particular to a soft spray bottle necking and capping device and method. BACKGROUND

[0002] Soft spray is a kind of medicine and equipment combined inhalation preparation product, and the soft spray bottle is mainly used for containing liquid medicine with active ingredients, which is a kind of soft spray bottle. The soft spray bottle is a specially designed plastic container, which has two forms. One is a single-layer structure plastic bottle, and the bottle body part is relatively soft; the other is a double-layer structure plastic bottle, and the bottle body is relatively hard. In order to increase the strength and stability of the soft spray bottle during transportation or use, the filled soft spray bottle needs to be put into a bottle sleeve (bottle sleeve), and then the neck of the bottle sleeve is necked and closed to play a fixed protection and auxiliary sealing role. The bottle sleeve wrapped outside the soft spray bottle has one end opening and the other end closing, and the inner diameter size of the bottle sleeve is slightly larger than the outer shape size of the soft spray bottle, so as to ensure that the soft spray bottle can be smoothly put into the bottle sleeve.

[0003] After the soft spray bottle is filled, capped and film sealed, the whole soft spray bottle and cap need to be put into the bottle sleeve, and then the bottle sleeve needs to be necked, grooved and flanged. The existing grooving operation generally uses shallow notch knife and deep notch knife arranged up and down, as shown in Figure 1 , the shallow notch knife and the deep notch knife are respectively pressed on one side of the bottle sleeve (forming asymmetric pressing on the bottle sleeve) and then rotated to groove, which is easy to make the bottle sleeve appear bulge A, and the scrap rate is high. Moreover, during the necking operation, the bottom of the bottle sleeve is generally clamped, and the upper part of the bottle sleeve is exposed long, which is easy to make the part below the necking part also appear deformation during the necking process, affecting the quality of the product. SUMMARY

[0004] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art and provide a soft spray bottle necking and capping device and method which can avoid bulge and improve production quality.

[0005] To solve the above technical problems, the present application adopts the following technical scheme:

[0006] A soft spray bottle necking and capping device, comprising:

[0007] A necking device for necking the top of the bottle sleeve containing the bottle body;

[0008] A grooving device, the grooving device is uniformly distributed with grooving knives for grooving first and second grooves on the circumferential side of the bottle sleeve on the circumferential side of the bottle sleeve, each grooving knife can rotate relative to the bottle sleeve, and the upper and lower spaced grooves can be grooved on the circumferential side of the bottle sleeve;

[0009] A flanging device, the flanging device makes the top opening part of the bottle sleeve turn inward to form an inner flange to roll the cap.

[0010] As a further improvement of the above technical solution:

[0011] The number of each rolling cutter of the rolling groove device is the same, the rolling cutter of the rolling groove device is provided with two kinds, which are deep mark cutter and shallow mark cutter, and the number of the deep mark cutter and the shallow mark cutter is even.

[0012] The shallow mark cutter and the deep mark cutter are correspondingly divided into even groups from top to bottom, and each group of shallow mark cutter and deep mark cutter is installed on the same cutter holder.

[0013] The neck sleeve is divided into a necking portion to be necked and a remaining portion, and the necking device comprises a clamping mechanism, when necking, the remaining portion of the neck sleeve is wrapped by the clamping mechanism, only the necking portion of the neck sleeve protrudes above the clamping mechanism, and the protruding necking portion is necked under the pressing action of the necking die.

[0014] The necking device further comprises a necking die, and the bottom of the necking die is provided with a necking hole, the necking hole comprises an upper tapered section, a middle cylindrical section and a lower tapered section which are connected in sequence from top to bottom and increase in sequence.

[0015] The flanging device comprises a flanging head, the top opening portion of the neck sleeve is inwardly turned and pressed downward to the top edge of the neck sleeve by the flanging head and rotated relative to the neck sleeve to achieve the inward turning of the top opening portion, and the pressing surface of the flanging head is a circular arc surface, so that the corner of the inwardly turned edge is a rounded corner.

[0016] The necking and capping device for soft aerosol bottle further comprises a visual detection device, the neck sleeve after flanging and capping is transferred to the visual detection device, the top and side of each neck sleeve are analyzed by tracking and photographing, the qualified products are discharged, and the unqualified products are rejected.

[0017] The bottom of the bottle body is spaced from the inner bottom surface of the neck sleeve; and a limiting portion protruding inwardly is arranged on the sidewall of the neck sleeve for limiting the position of the bottle body.

[0018] The device comprises a conveying line for conveying a bottle body and a neck sleeve combination, and an upper feeding station, a bottle pressing station, a necking station, a rolling groove station, a flanging station, a visual detection station, a finished product rejection station and a finished product output station arranged in sequence along the conveying direction of the conveying line.

[0019] A necking and capping method for soft aerosol bottle, characterized in that it comprises the following steps:

[0020] S1, necking: necking the top of the neck sleeve 2 in which the bottle body 1 is arranged;

[0021] S2, rolling groove: the necked neck sleeve 2 is uniformly provided with rolling cutters for rolling out first and second rolling marks on the side of the neck sleeve 2, and each rolling cutter rotates relative to the neck sleeve 2 to roll out concave marks 23 on the side of the neck sleeve 2.

[0022] S3, flanging: the top end opening part of the bottle sleeve 2 is turned inward to form an inner flange 24 to roll the bottle cap 9;

[0023] S4, visual inspection: through tracking, the top and side of each bottle sleeve 2 are analyzed by taking pictures, and the qualified products are discharged, and the unqualified products are rejected.

[0024] Compared with the prior art, the advantages of the present application are:

[0025] The soft aerosol bottle necking cap rolling device of the present application, through the first rolling mark rolling cutter and the second rolling mark rolling cutter uniformly distributed on the periphery of the bottle sleeve, each rolling cutter rotates relative to the bottle sleeve, and the concave marks are rolled on the periphery of the bottle sleeve, so that the stress on the periphery of the bottle sleeve is symmetrically and uniformly distributed during the rolling groove process, avoiding the appearance of bulges and improving the production quality.

[0026] The soft aerosol bottle necking cap rolling method of the present application, through the first rolling mark rolling cutter and the second rolling mark rolling cutter uniformly distributed on the periphery of the bottle sleeve, each rolling cutter rotates relative to the bottle sleeve, and the concave marks are rolled on the periphery of the bottle sleeve, so that the stress on the periphery of the bottle sleeve is symmetrically and uniformly distributed during the rolling groove process, avoiding the appearance of bulges and improving the production quality. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a rolling groove schematic diagram of the existing soft aerosol bottle necking cap rolling device.

[0028] Figure 2 is a flow chart of the soft aerosol bottle necking cap rolling device of the present application.

[0029] Figure 3 is a structure schematic diagram of the clamping mechanism of the soft aerosol bottle necking cap rolling device of the present application during necking.

[0030] Figure 4 is a necking schematic diagram of the soft aerosol bottle necking cap rolling device of the present application.

[0031] Figure 5 is a rolling groove schematic diagram of the soft aerosol bottle necking cap rolling device of the present application.

[0032] Figure 6 is Figure 5 the enlarged view of B in

[0033] Figure 7 is Figure 6 the top structure schematic diagram of

[0034] Figure 8 is Figure 6 the top structure schematic diagram of

[0035] Figure 9is Figure 6 A top view structural schematic diagram (the number of each rolling cutter is three).

[0036] Figure 10 is a flanging schematic diagram of the neck-rolling device of the soft spray bottle of the present application.

[0037] Figure 11 is a variety of state diagrams in the bottle sleeve forming process of the neck-rolling device of the soft spray bottle of the present application.

[0038] Figure 12 is a structural schematic diagram of the neck-rolling device of the soft spray bottle of the present application.

[0039] The various numbers in the figure represent:

[0040] 1, bottle body; 11, conveying line; 12, feeding station; 13, bottle pressing station; 14, neck-rolling station; 15, rolling groove station; 16, flanging station; 17, visual inspection station; 18, finished product rejection station; 19, finished product output station; 2, bottle sleeve; 21, neck-rolling part; 22, remaining part; 23, indentation; 24, inner flange; 25, limiting part; 3, deep indentation cutter; 4, shallow indentation cutter; 5, cutter holder; 6, clamping mechanism; 7, neck-rolling die; 71, neck-rolling hole; 711, upper conical section; 712, middle cylindrical section; 713, lower conical section; 8, flanging head; 9, bottle cap. DETAILED DESCRIPTION

[0041] The present application will be further described in detail below in combination with the drawings and specific examples.

[0042] Example One:

[0043] Figures 1 to 12 An embodiment of the neck-rolling device of the soft spray bottle of the present application is shown, which comprises:

[0044] A neck-rolling device for neck-rolling the bottle sleeve 2 containing the bottle body 1;

[0045] A rolling groove device, the rolling groove device is uniformly distributed with rolling cutters for rolling out first and second rolling indentations on the circumferential side of the bottle sleeve 2 on the circumferential side of the bottle sleeve 2, each rolling cutter rotates simultaneously relative to the bottle sleeve 2, and the upper and lower spaced indentations 23 are rolled out on the circumferential side of the bottle sleeve 2.

[0046] A flanging device, the flanging device makes the top opening part of the bottle sleeve 2 turn inward to form an inner flange 24 to roll the bottle cap 9.

[0047] The specific use steps are as follows:

[0048] S1, neck-rolling: the bottle sleeve 2 containing the bottle body 1 is conveyed to the neck-rolling device, and the top of the bottle sleeve 2 is neck-rolled;

[0049] S2, groove: the necked bottle sleeve 2 is transported to the groove device, and the groove knives for rolling the first groove and the second groove are uniformly distributed on the circumferential side of the bottle sleeve 2, each groove knife rotates relative to the bottle sleeve 2, and the upper and lower spaced concave marks 23 are rolled on the circumferential side of the bottle sleeve 2;

[0050] S3, flanging: the grooved bottle sleeve 2 is transported to the flanging device again, the top opening part of the bottle sleeve 2 is inwardly turned to form an inward flange 24 to roll the bottle cap 9.

[0051] S4, visual inspection: the grooved and capped bottle sleeve 2 is transported to the visual inspection device, and the top and side of each bottle sleeve 2 are analyzed by tracking and shooting, the qualified products are discharged, and the unqualified products are rejected.

[0052] The necking and capping device of the soft mist bottle can roll the first groove and the second groove on the circumferential side of the bottle sleeve 2 by the groove knives, each groove knife rotates relative to the bottle sleeve 2, and the upper and lower spaced concave marks 23 are rolled on the circumferential side of the bottle sleeve 2, so that the circumferential side of the bottle sleeve 2 is symmetrically and uniformly stressed during the grooving process, and the production quality is improved.

[0053] In the embodiment, the number of each groove knife of the grooving device is the same. The grooving device has two kinds of groove knives, which are deep mark knives 3 and shallow mark knives 4, and the number of the deep mark knives 3 and the shallow mark knives 4 is even.

[0054] In the embodiment, the shallow mark knives 4 and the deep mark knives 3 are correspondingly divided into even groups, and each group of shallow mark knives 4 and deep mark knives 3 is installed on the same knife holder 5.

[0055] In the embodiment, the bottle sleeve 2 is divided into a necking part 21 to be necked and a remaining part 22, and the necking device includes a clamping mechanism 6. During necking, the remaining part 22 of the bottle sleeve 2 is wrapped by the clamping mechanism 6, and only the necking part 21 of the bottle sleeve 2 protrudes upwardly from the clamping mechanism 6, and the protruding necking part 21 is necked under the pressing action of the necking die 7.

[0056] In the embodiment, the necking device further includes a necking die 7, and the bottom of the necking die 7 is provided with a necking hole 71, and the necking hole 71 includes an upper tapered section 711, a middle cylindrical section 712 and a lower tapered section 713 connected in sequence from top to bottom and increasing in sequence.

[0057] In the embodiment, the flanging device includes a flanging head 8, and the top opening part of the bottle sleeve 2 is inwardly turned by the flanging head 8 to press the top edge of the bottle sleeve 2 and rotate relative to the bottle sleeve 2, and the pressing surface of the flanging head 8 is a circular arc surface, so that the corner of the inward flange 24 is a rounded corner.

[0058] In the embodiment, the soft spray bottle necking and capping device further comprises a visual detection device. The bottle sleeve 2 after the flanging and capping is transferred to the visual detection device. The top and side of each bottle sleeve 2 are analyzed by tracking and shooting. The qualified products are discharged and output. The unqualified products are rejected and treated.

[0059] In the embodiment, the bottom of the bottle body 1 is spaced apart from the inner bottom surface of the bottle sleeve 2. The side wall of the bottle sleeve 2 is provided with a limiting portion 25 protruding inwardly for limiting the position of the bottle body.

[0060] In the embodiment, the soft spray bottle necking and capping device further comprises a conveying line 11 for conveying the bottle body and bottle sleeve combination and an upper feeding station 12, a bottle pressing station 13, a necking station 14, a rolling groove station 15, a flanging station 16, a visual detection station 17, a finished product rejection station 18 and a finished product output station 19 arranged in sequence along the conveying direction of the conveying line 11.

[0061] Embodiment two:

[0062] A soft spray bottle necking and capping method of a soft spray bottle necking and capping device comprises the following steps:

[0063] S1, necking: conveying the bottle sleeve 2 containing the bottle body 1 to a necking device to neck the top of the bottle sleeve 2;

[0064] S2, rolling groove: transferring the necked bottle sleeve 2 to a rolling groove device. The rolling groove device is uniformly provided with rolling knives for rolling the first rolling mark and the second rolling mark on the side of the bottle sleeve 2. Each rolling knife rotates relative to the bottle sleeve 2 at the same time to roll the concave marks 23 on the side of the bottle sleeve 2.

[0065] S3, flanging: transferring the rolling groove bottle sleeve 2 to a flanging device to make the top opening of the bottle sleeve 2 turn inward to form the inner flange 24 to cap the bottle cap 9.

[0066] S4, visual detection: transferring the flanged and capped bottle sleeve 2 to a visual detection device to analyze the top and side of each bottle sleeve 2 by tracking and shooting. The qualified products are discharged and output. The unqualified products are rejected and treated.

[0067] In the embodiment, the number of each rolling knife is the same in S2. As shown in FIG. 2, the number of each rolling knife is two. As shown in FIG. 3, the number of each rolling knife is four. As shown in FIG. 4, the number of each rolling knife is three. Figure 7 Figure 8 Figure 9 When rolling, the same rolling knife is arranged symmetrically with the center axis of the bottle sleeve 2. Different rolling knives are arranged in an upper and lower interval. Each rolling knife is pressed tightly on the outer periphery of the bottle sleeve 2.

[0068] ​​In this embodiment, in S2, two kinds of rolling knives are provided, which are deep notch knives 3 and shallow notch knives 4. The deep notch knives 3 and the shallow notch knives 4 are both even in number. In this way, the bottle sleeve 2 is better in symmetry when being pressed. After necking, the bottle sleeve 2 is transferred to the rolling groove device. Two kinds of rolling knives are used. The same kind of rolling knives are symmetrically pressed on the outer periphery of the bottle sleeve 2. Each rolling knife rotates simultaneously relative to the bottle sleeve 2. The upper and lower spaced recesses 23 are rolled on the side of the bottle sleeve 2.

[0069] In this embodiment, the shallow notch knives 4 and the deep notch knives 3 are correspondingly divided into even groups. Each group of shallow notch knives 4 and deep notch knives 3 is installed on the same knife holder 5. Each group of shallow notch knives 4 and deep notch knives 3 is installed on the same knife holder 5. The whole is good in integrity. It can move synchronously relative to the bottle sleeve 2. The symmetry of the outer periphery of the bottle sleeve 2 when being pressed is better.

[0070] In this embodiment, as shown in the figure, Figure 3 In S1, the bottle sleeve 2 is divided into a necking part 21 to be necked and a remaining part 22. In the necking process, the remaining part 22 of the bottle sleeve 2 is wrapped by the clamping mechanism 6. Only the necking part 21 of the bottle sleeve 2 protrudes above the clamping mechanism 6. The protruding necking part 21 is completed necking under the pressing action of the necking die 7. In this way, only the necking part 21 is exposed. In the process of pressing the necking part 21, the remaining part 22 below is not easy to deform. The quality of the product is improved.

[0071] In this embodiment, as shown in the figure, Figure 4 The bottom of the necking die 7 is provided with a necking hole 71. The necking hole 71 includes an upper tapered section 711, a middle cylindrical section 712 and a lower tapered section 713 which are connected in sequence from top to bottom and increase in sequence. In the process of pressing the necking part 21, the top of the bottle sleeve 2 is first introduced by the lower tapered section 713 and gradually shrinks inward. Then, the necking part 21 is further shrunk inward through the middle cylindrical section 712. Finally, the necking part 21 can be further shrunk inward through the upper tapered section 711 to realize the necking operation.

[0072] In this embodiment, as shown in the figure, Figure 10 In S3, the top opening part of the bottle sleeve 2 is inwardly turned and pressed down to the top edge of the bottle sleeve 2 by the flanging head 8 and rotated relative to the bottle sleeve 2 to realize the inward turning of the top opening part of the bottle sleeve 2. The pressing surface of the flanging head 8 is a circular arc surface. After the bottle sleeve 2 is flanged, a rounded edge is formed, that is, the corner of the inward flange 24 is a rounded corner.

[0073] In this embodiment, as shown in the figure, Figure 10 The bottom of the bottle body 1 is spaced apart from the inner bottom surface of the bottle sleeve 2. The side wall of the bottle sleeve 2 is provided with a limiting part 25 which protrudes inwardly to limit the position of the bottle body. The bottom of the bottle body 1 is spaced apart from the inner bottom surface of the bottle sleeve 2 to ensure a certain distance and sufficient pressure to facilitate the bottle body 1 to have sufficient pressure to spray the liquid medicine when the equipment is used.

[0074] In this embodiment, as shown in the figure, Figure 12As shown, the soft spray bottle necking and capping device of the present application comprises a conveying line 11 for conveying the bottle body and bottle sleeve combination, and an upper feeding station 12, a bottle pressing station 13, a necking station 14, a rolling groove station 15, a flanging station 16, a visual inspection station 17, a finished product rejection station 18 and a finished product output station 19 arranged in sequence along the conveying direction of the conveying line 11.

[0075] The bottle pressing station 13 is used to press the bottle body 1 into the bottle sleeve 2, and after the pressing is completed, the bottle body and bottle sleeve combination is conveyed by the conveying line 11 to the necking station 14. The necking station 14 is used to neck the top opening of the bottle sleeve 2, and the necked bottle sleeve 2 is conveyed by the conveying line 11 to the rolling groove station 15, where the upper and lower spaced grooves 23 are rolled on the circumferential side of the bottle sleeve 2, and the rolled bottle sleeve 2 is conveyed by the conveying line 11 to the flanging station 16, so that the top opening of the bottle sleeve 2 is inwardly turned to form an inward flange 24 to cap the bottle cap 9. The flanged bottle sleeve 2 is conveyed by the conveying line 11 to the visual inspection station 17, and the qualified bottle sleeve 2 is conveyed by the conveying line 11 to the finished product output station 19 for unloading, and the unqualified bottle sleeve 2 is conveyed by the conveying line 11 to the finished product rejection station 18 for rejection.

[0076] As shown in the production flow of the soft spray bottle necking and capping device, Figure 2 the conveying line 11 is a double-row conveying line, the bottle body is conveyed along the conveying line 11, and the bottle pressing, bottle positioning detection (unqualified for rejection and qualified for entering the necking station 14), necking, rolling groove, flanging, finished product detection (unqualified for rejection and qualified for finished product output) and output are sequentially performed. The change process of the bottle body 1 and the bottle sleeve 2 is shown in Figure 11 the leftmost is the bottle body and bottle sleeve combination after pressing, the second leftmost is the bottle body and bottle sleeve combination after necking, the second rightmost is the bottle body and bottle sleeve combination after rolling groove, and the rightmost is the bottle body and bottle sleeve combination after flanging.

[0077] The soft spray bottle necking and capping device can cap the bottle body 1 (such as a soft spray bottle) and roll the cap, the production efficiency is high through the double-row conveying line, and the production quality is good through the visual inspection station 17. The soft spray bottle necking and capping device has good production quality and high production efficiency.

[0078] Although the present application has been disclosed with reference to the preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make many possible changes and modifications to the technical solutions disclosed above, or modify them into equivalent embodiments with equivalent changes, without departing from the scope of the technical solutions of the present application. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the content of the technical solutions of the present application, shall fall within the scope of protection of the technical solutions of the present application.

Claims

1. A soft spray bottle neck-rolling device characterized by, include: A necking device is used to narrow the top of the bottle sleeve (2) containing the bottle body (1); The grooving device has grooving cutters evenly distributed around the bottle sleeve (2) for rolling out the first and second grooving marks around the bottle sleeve (2). Each grooving cutter can rotate simultaneously relative to the bottle sleeve (2) and can roll out the upper and lower spaced indentations (23) around the bottle sleeve (2). The flanging device flips the top opening of the bottle sleeve (2) inward to form an inner flanging (24) to wrap around the bottle cap (9); the grooving device has two types of cutting blades, namely a deep cutting blade (3) and a shallow cutting blade (4); each set of shallow cutting blades (4) and deep cutting blades (3) is installed on the same blade holder (5).

2. The soft mist bottle neck-rolling closure apparatus of claim 1 wherein: The number of each type of cutting tool in the grooving device is the same; the number of deep-marking tools (3) and shallow-marking tools (4) is even.

3. The soft mist bottle neck-rolling closure apparatus of claim 2, wherein: The shallow-marking knife (4) and the deep-marking knife (3) are divided into even groups in a one-to-one correspondence.

4. The soft mist bottle finish necking and capping apparatus of any one of claims 1 to 3, wherein: The bottle sleeve (2) is divided into a necking part (21) to be necked and the rest part (22). The necking device includes a clamping mechanism (6). When necking, the clamping mechanism (6) wraps around the rest part (22) of the bottle sleeve (2). Only the necking part (21) of the bottle sleeve (2) extends upward to the clamping mechanism (6). The extended necking part (21) completes the necking under the downward pressure of the necking mold (7).

5. The soft mist bottle neck-rolling closure apparatus of claim 4 wherein: The necking device also includes a necking mold (7), the bottom of which is provided with a necking hole (71). The necking hole (71) includes an upper conical section (711), a middle cylindrical section (712), and a lower conical section (713) that are connected from top to bottom and increase in size.

6. The capping device for a soft spray bottle according to any one of claims 1 to 3, characterized in that: The flanging device includes a flanging head (8). The top opening of the bottle sleeve (2) is turned inward by pressing down the flanging head (8) to the top edge of the bottle sleeve (2) and rotating relative to the bottle sleeve (2). The pressing surface of the flanging head (8) is an arc surface, so that the corner of the inner flanging (24) is rounded.

7. The capping device for a soft spray bottle according to any one of claims 1 to 3, characterized in that: The soft mist bottle necking and capping device also includes a visual inspection device. The bottle sleeve (2) after the edge is turned and capped is transferred to the visual inspection device. The top and side of each bottle sleeve (2) are photographed and analyzed by tracking. Qualified products are output and unqualified products are rejected.

8. The capping device for a soft spray bottle according to any one of claims 1 to 3, characterized in that: The bottom of the bottle body (1) is spaced apart from the inner bottom surface of the bottle sleeve (2); the side wall of the bottle sleeve (2) is provided with an inwardly protruding limiting part (25) for restricting the position of the bottle body.

9. The capping and necking device for a soft mist bottle according to claim 8, characterized in that: It includes a conveyor line (11) for conveying the bottle body and bottle sleeve assembly, and a feeding station (12), a bottle pressing station (13), a necking station (14), a grooving station (15), a flanging station (16), a visual inspection station (17), a finished product rejection station (18), and a finished product output station (19) arranged sequentially along the conveying direction of the conveyor line (11).

10. A method for shrinking and capping a soft spray bottle, characterized in that, The process, using the capping and necking device for soft mist bottles according to any one of claims 1 to 9, includes the following steps: S1, Narrowing: Narrow the top of the bottle sleeve (2) containing the bottle body (1); S2, groove: The bottle sleeve (2) after narrowing is evenly distributed with rolling cutters for rolling out the first and second rolling marks on the bottle sleeve (2). Each rolling cutter rotates simultaneously relative to the bottle sleeve (2) to roll out the upper and lower intervals of the groove (23) on the bottle sleeve (2). S3, Flanging: Flanging the top opening of the bottle sleeve (2) inward to form an inward flange (24) to wrap around the bottle cap (9). S4. Visual inspection: The top and sides of each bottle sleeve (2) are photographed and analyzed by tracking. Qualified products are output and unqualified products are rejected.

Citation Information

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