Bottle holding rotation stopping device and cap screwing machine

Abstract

The utility model belongs to the technical field of cap screwing, and discloses a bottle holding rotation stopping device and a cap screwing machine. The bottle holding rotation stopping device comprises a guard plate assembly, a star wheel assembly and a bottom supporting assembly. Wherein the protection plate assembly comprises a first protection plate and a second protection plate which are arranged in parallel at an interval, the star wheel assembly comprises a first star wheel and a second star wheel which are coaxially arranged at an interval, the first star wheel and the first protection plate are matched with each other to abut against the lower portion of a bottle body, and the second star wheel and the second protection plate are matched with each other to abut against the middle of the bottle body. And the bottom supporting assembly is used for supporting the bottle body. The bottle-holding rotation-stopping device provided by the utility model can realize the effect of stopping the rotation of the bottle body, and is simple in structure, low in cost, and good in applicability and universality of the whole bottle-holding rotation-stopping device.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw cap technical field especially relates to a kind of bottle holding rotation-stopping device and screw cap machine. BACKGROUND

[0002] In the current liquid automation packaging production line, bottle body needs to be sealed after being filled with liquid by screw cap machine, and the rotation-stopping knife is generally used to support the ring under the bottle body and block it to prevent the bottle body from rotating when screwing the cap. However, for the special-shaped bottle body with the cap covering the support ring, the above-mentioned rotation-stopping knife is difficult to enter the bottle mouth of the bottle body and block the support ring on the bottle body to ensure that the bottle body does not rotate.

[0003] To solve the above problems, for the rotation-stopping of special-shaped bottle body, a clamping device is usually used to clamp the special-shaped bottle body from its outer periphery to prevent it from rotating and ensure its stability when screwing the cap. However, the current clamping device has a complex structure, high cost, and cannot stop the rotation of special-shaped bottle bodies with different bottle heights, resulting in poor applicability and versatility of the entire clamping device. SUMMARY

[0004] The utility model aims at providing a kind of bottle holding rotation-stopping device and screw cap machine, which can realize the effect of stopping the rotation of bottle body, has simple structure, low cost, and good applicability and versatility of bottle holding rotation-stopping device.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The bottle holding rotation-stopping device comprises:

[0007] The guard plate assembly comprises a first guard plate and a second guard plate arranged in parallel and at intervals.

[0008] The star wheel assembly comprises a first star wheel and a second star wheel arranged coaxially and at intervals, the first star wheel cooperates with the first guard plate to abut against the lower part of the bottle body, and the second star wheel cooperates with the second guard plate to abut against the middle part of the bottle body.

[0009] The bottom supporting assembly is connected with the guard plate assembly, and is used to support the bottle body, and the supporting height of the bottom supporting assembly relative to the bottle body is adjustable.

[0010] Preferably, a plurality of first arc-shaped notches are formed near the outer edge of the bottle body, the lower part of the bottle body can be accommodated in the first arc-shaped notches, a plurality of second arc-shaped notches are formed near the outer edge of the bottle body, the middle part of the bottle body can be accommodated in the second arc-shaped notches, and the first arc-shaped notches and the second arc-shaped notches correspond to each other in the vertical direction.

[0011] As preferred, the star wheel assembly further comprises:

[0012] a third star wheel coaxially and spacedly arranged with the second star wheel, an outer edge of the third star wheel abutting against one side of the upper part of the bottle body;

[0013] The guard plate assembly further comprises:

[0014] a third guard plate abutting against the other side of the upper part of the bottle body, the third guard plate and the third star wheel cooperating with each other to abut against the mouth of the bottle body.

[0015] As preferred, the outer edge of the third star wheel and / or the outer edge of the third guard plate is in a conical structure, a vertex part of the conical structure abutting against the upper part of the bottle body.

[0016] As preferred, the bottom supporting assembly comprises:

[0017] a support, the guard plate assembly being fixedly installed on the support;

[0018] a first bearing member arranged in parallel above the support, the installation height of the first bearing member relative to the support being adjustable in the vertical direction;

[0019] a second bearing member coaxially and detachably arranged above the first bearing member, the second bearing member being used for placing the bottle body.

[0020] As preferred, a first installation hole is formed on the first bearing member; the second bearing member comprises:

[0021] a bearing body used for supporting the bottle body;

[0022] a positioning rod fixedly connected with the bearing body, the positioning rod being capable of being inserted into the first installation hole.

[0023] As preferred, the bottom supporting assembly further comprises:

[0024] a distance sleeve sleeved on the outer periphery of the positioning rod, one end of the distance sleeve abutting against the top end face of the first bearing member and the other end abutting against the bottom end face of the bearing body.

[0025] As preferred, the bottle holding and rotation stopping device further comprises:

[0026] a connecting assembly, one end of the connecting assembly being fixedly connected with the bottom supporting assembly, the other end of the connecting assembly being detachably connected with the guard plate assembly.

[0027] As preferred, the bottle-holding and rotation-stopping device further comprises:

[0028] A locking assembly is connected between the guard plate assembly and the connecting assembly to lock the connecting position of the guard plate assembly on the connecting assembly.

[0029] A cap screwing machine comprises a cap screwing head and the bottle-holding and rotation-stopping device as described above, the bottle-holding and rotation-stopping device is used to position and stop rotation of the bottle body, and the cap screwing head is used to screw a cap to the bottle mouth of the bottle body.

[0030] The bottle-holding and rotation-stopping device has the following advantages:

[0031] The bottle-holding and rotation-stopping device comprises a guard plate assembly, a star wheel assembly and a bottom supporting assembly.

[0032] The middle and lower parts of the bottle body are tightly pressed by the second star wheel and the second guard plate and the first star wheel and the first guard plate, respectively, which not only enhances the fixing effect on the bottle body but also effectively prevents the movement of the bottle body in the rotation direction to achieve the effect of stopping rotation of the bottle body. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a structural schematic view of the bottle-holding and rotation-stopping device provided by the embodiment of the utility model;

[0034] Figure 2 is a structural schematic view of the bottom supporting assembly of the bottle-holding and rotation-stopping device provided by the embodiment of the utility model;

[0035] Figure 3 is Figure 1 is an enlarged view of the part B in FIG.

[0036] Figure 4 is a structural schematic view of the first bearing part of the bottle-holding and rotation-stopping device provided by the embodiment of the utility model;

[0037] Figure 5The second bearing part of the bottle holding and rotation stopping device is shown in the structural schematic view of the embodiment of the utility model.

[0038] Figure 6 Yes Figure 1 The local enlarged view at A in the middle.

[0039] In the figure:

[0040] 1, guard plate assembly; 11, first guard plate; 12, second guard plate; 13, third guard plate;

[0041] 2, star wheel assembly; 21, first star wheel; 211, first arc-shaped notch; 22, second star wheel; 221, second arc-shaped notch; 23, third star wheel; 24, star wheel connecting piece;

[0042] 3, bottom supporting assembly; 31, support piece; 311, second mounting hole; 312, third mounting hole; 313, fourth mounting hole; 32, first bearing part; 321, first mounting hole; 322, through rod; 33, second bearing part; 331, positioning rod; 34, stand column; 35, fixed distance sleeve; 36, fastening assembly; 361, first fastener; 362, second fastener;

[0043] 4, connecting assembly; 41, connecting rod; 42, support sleeve;

[0044] 5, locking assembly; 51, first locking piece; 52, second locking piece. DETAILED DESCRIPTION

[0045] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0046] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0047] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature is "under", "below" and "lower surface" of second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.

[0048] In the description of the embodiment, the terms "upper", "lower", "right", "left", "horizontal", "vertical", and "radial" refer to the orientation or position shown in the drawings, which are for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0049] The embodiment provides a bottle holding and rotation stopping device and a cap screwing machine comprising the same, the cap screwing machine further comprises a cap screwing head, the bottle holding and rotation stopping device is used for positioning and stopping rotation of a bottle body, and the cap screwing head is used for screwing a cap to a bottle mouth of the bottle body; the bottle holding and rotation stopping device enhances the fixing effect on the bottle body, so that movement of the bottle body in a rotation direction can be effectively prevented, the effect of stopping rotation of the bottle body is achieved, and the position stability of the bottle body when the cap is screwed to the bottle mouth is ensured. The cap screwing head can adopt a common cap screwing structure in the prior art, and the bottle body can be a special-shaped bottle body with large sizes at two ends and a small size in the middle. Here, the specific structure of the bottle body is not limited.

[0050] As shown in Figure 1 The bottle holding and rotation stopping device comprises a guard plate assembly 1, a star wheel assembly 2 and a bottom supporting assembly 3; the guard plate assembly 1 comprises first and second guard plates 11 and 12 arranged in parallel and at intervals, the star wheel assembly 2 comprises first and second star wheels 21 and 22 arranged coaxially and at intervals, the first star wheel 21 cooperates with the first guard plate 11 to abut against a lower part of the bottle body, the second star wheel 22 cooperates with the second guard plate 12 to abut against a middle part of the bottle body, the guard plate assembly 1 is connected with the bottom supporting assembly 3, and the bottom supporting assembly 3 is used for supporting the bottle body, and the supporting height of the bottom supporting assembly 3 relative to the bottle body is adjustable.

[0051] The bottle holding and rotation stopping device in the embodiment changes the clamping and rotation stopping mode of the bottle body relative to the prior art. By arranging the second star wheel 22 and the second guard plate 12 in cooperation and the first star wheel 21 and the first guard plate 11 in cooperation, the middle and lower parts of the bottle body are respectively abutted, which not only enhances the fixing effect of the bottle body, but also effectively prevents the movement of the bottle body in the rotation direction, so as to achieve the effect of stopping the rotation of the bottle body. The clamping of the bottle body is realized by the first star wheel 21, the second star wheel 22, the first guard plate 11 and the second guard plate 12, so that the structure of the whole bottle holding and rotation stopping device is simple and the cost is low. At the same time, the support height of the bottom supporting assembly 3 relative to the bottle body is adjustable, so that the support height of the bottom supporting assembly 3 can be quickly adjusted to support the bottle body of various heights, so that the applicability and universality of the whole bottle holding and rotation stopping device are better. Specifically, the first star wheel 21 and the second star wheel 22 are coaxial and spaced apart in the vertical direction. The vertical direction mentioned above is the vertical direction in Figure 1

[0052] Optionally, as shown in Figure 1 , in the embodiment, the structures of the first star wheel 21 and the second star wheel 22 are the same, which reduces the structure types of the star wheel assembly 2, reduces the cost of the star wheel assembly 2, and improves the flexible mutual use between the first star wheel 21 and the second star wheel 22. In other embodiments, the structures of the first star wheel 21 and the second star wheel 22 can be different, so that it is easier to distinguish the first star wheel 21 and the second star wheel 22, and the star wheel assembly 2 is convenient to assemble.

[0053] Further, as shown in Figure 1 , the outer edge of the first star wheel 21 close to the bottle body is provided with a plurality of first arc-shaped notches 211, and the lower part of the bottle body can be accommodated in the first arc-shaped notches 211. The outer edge of the second star wheel 22 close to the bottle body is provided with a plurality of second arc-shaped notches 221, and the middle part of the bottle body can be accommodated in the second arc-shaped notches 221. The first arc-shaped notches 211 and the second arc-shaped notches 221 correspond to each other in the vertical direction.

[0054] By accommodating the bottle body in the first arc-shaped notches 211 and the second arc-shaped notches 221 respectively, part of the structure of the bottle body is wrapped, which ensures the position stability and accuracy of the bottle body in the first star wheel 21 and the second star wheel 22. At the same time, the first arc-shaped notches 211 and the second arc-shaped notches 221 correspond to each other in the vertical direction, so that the position of each bottle body can be wrapped and limited by the corresponding first arc-shaped notches 211 and second arc-shaped notches 221 in the transmission process, which ensures that each bottle body is transmitted more smoothly and accurately in the first star wheel 21 and the second star wheel 22, and avoids the position deviation or instability that may occur in the bottle body flow process. It should be noted that the arc shape of the first arc-shaped notches 211 and the second arc-shaped notches 221 is designed according to the specific shape of the bottle body.​

[0055] Optionally, in the embodiment, the side of the first arc-shaped notch 211 and the second arc-shaped notch 221 in contact with the bottle body is provided with a buffer silica gel, which can avoid scratches or wear and tear on the bottle body caused by hard impact when the bottle body is in contact with the first star wheel 21 and the second star wheel 22 respectively, while ensuring that the appearance integrity and structural stability of the bottle body are not affected. In other embodiments, the buffer silica gel can not be provided.

[0056] Further, as shown in Figure 1 the star wheel assembly 2 further comprises a third star wheel 23 coaxial with and spaced apart from the second star wheel 22, and the outer edge of the third star wheel 23 abuts one side of the upper part of the bottle body; and the guard plate assembly 1 further comprises a third guard plate 13 abutting the other side of the upper part of the bottle body, so that the third guard plate 13 and the third star wheel 23 cooperate with each other to abut the bottle mouth of the bottle body.

[0057] By providing the third star wheel 23 and the third guard plate 13 that cooperate with each other, the outer edge of the third star wheel 23 abuts one side of the bottle mouth, and the third guard plate 13 abuts the other side of the bottle mouth, so that the third guard plate 13 and the third star wheel 23 cooperate with each other and jointly act on the bottle mouth, forming a stable abutting relationship with the upper part of the bottle body from the opposite two sides, effectively ensuring the positional accuracy and stability of the bottle mouth when the cap is being screwed, thereby ensuring the accuracy of the cap screwing.

[0058] Optionally, as shown in Figure 1 the outer edge of the third star wheel 23 and / or the outer edge of the third guard plate 13 is in a conical structure, and the apex of the conical structure abuts the upper part of the bottle body. The above arrangement, when the cap screwing machine is in a running state, the apex of the conical structure precisely forms an abutting relationship with the upper part of the bottle body, so that the conical structure has a relatively large abutting strength on the upper part of the bottle body, ensuring a relatively stable clamping effect on the bottle mouth, thereby being able to more stably position the position of the bottle mouth, effectively preventing the bottle mouth from shifting and other phenomena, and achieving accurate cap screwing of the cap screwing head on the bottle mouth. In the embodiment, the outer edge of the third star wheel 23 and the outer edge of the third guard plate 13 are both in a conical structure.

[0059] Optionally, as shown in Figure 1As shown, in the embodiment, the star wheel assembly 2 further comprises a star wheel connecting piece 24, the star wheel connecting piece 24 sequentially passes through the first star wheel 21, the second star wheel 22 and the third star wheel 23, and the star wheel connecting piece 24 is detachably connected with the third star wheel 23, and the star wheel connecting piece 24 is respectively clamped and connected with the first star wheel 21 and the second star wheel 22. The above setting facilitates the replacement of the first star wheel 21 and the second star wheel 22, and provides great convenience for the installation, maintenance and replacement of the star wheel assembly 2. In other embodiments, the first star wheel 21 and the second star wheel 22 can also be integrally connected, which can meet the requirement that the first star wheel 21, the second star wheel 22 and the third star wheel 23 form an integrated abutting structure. It should be noted that the star wheel connecting piece 24 is a common connecting structure in the prior art, and how the star wheel connecting piece 24 realizes the quick replacement of the first star wheel 21 and the second star wheel 22 will not be described here.

[0060] Further, as shown in FIG. 1, Figure 1 As shown, the bottom supporting assembly 3 comprises a support piece 31, a first bearing piece 32 and a second bearing piece 33; wherein the guard plate assembly 1 is fixedly installed on the support piece 31, the first bearing piece 32 is arranged above the support piece 31 in parallel, and the installation height of the first bearing piece 32 relative to the support piece 31 in the vertical direction is adjustable, the second bearing piece 33 is coaxially and detachably arranged above the first bearing piece 32, and the second bearing piece 33 is used for placing a bottle body. The support piece 31 can be a flat plate in particular.

[0061] By arranging the first bearing piece 32 with the installation height adjustable in the vertical direction relative to the support piece 31, the first bearing piece 32 can well adapt to different types of bottle bodies when different types of bottle bodies are replaced, greatly enhancing the versatility and flexibility of the bottom supporting assembly 3. In addition, the second bearing piece 33 is coaxially and detachably arranged above the first bearing piece 32, so that the second bearing piece 33 effectively avoids the phenomenon of unstable placement of the bottle body caused by eccentric force, and the detachable connection design of the second bearing piece 33 provides great convenience for the maintenance, replacement and fine adjustment of the bottom supporting assembly 3 according to different types of bottle bodies.

[0062] Specifically, when multiple bottle bodies with different bottle heights need to be supported, the installation height of the first bearing piece 32 relative to the support piece 31 in the vertical direction is first adjusted to enable the first adjustment of the support height; then, the second bearing piece 33 adapted to the distance between the top end surface of the first bearing piece 32 after the first adjustment and the bottom end surface of the bottle body is replaced to enable the second adjustment of the support height, so that the support of multiple bottle bodies with different bottle heights can be realized.

[0063] Optionally, as shown in FIG. 1, Figure 1-3As shown, in the embodiment, the bottom supporting assembly 3 further comprises a fastening assembly 36, the fastening assembly 36 comprises a first fastener 361 and a second fastener 362, and a fourth mounting hole 313 is formed in the support piece 31; the first bearing piece 32 is in a T-shaped structure, comprising a bearing body and a penetrating rod 322; wherein the bearing body is arranged in parallel with and spaced apart from the support piece 31, the first end of the penetrating rod 322 is fixedly connected with the bearing body, and the second end of the penetrating rod 322 penetrates through the fourth mounting hole 313 and is fixed to the support piece 31 through the first fastener 361 and the second fastener 362 connected on the penetrating rod 322. The first fastener 361 is threadedly connected on the penetrating rod 322, after the penetrating rod 322 penetrates through the fourth mounting hole 313, at this time the first fastener 361 is attached to the upper surface of the support piece 31, by screwing the first fastener 361, the installation height of the bearing body relative to the support piece 31 in the vertical direction is adjusted, and in the adjustment process, the first fastener 361 is always attached to the upper surface of the support piece 31; then, the second fastener 362 is screwed on the penetrating rod 322 from the second end of the penetrating rod 322 and is abutted against the lower surface of the support piece 31, so that the up-down position of the penetrating rod 322 relative to the support piece 31 is locked and fixed, and the fixed connection between the first bearing piece 32 and the support piece 31 is realized. Specifically, the bearing body can be a flat plate, and the first fastener 361 and the second fastener 362 can be locking nuts.

[0064] Specifically, when the installation height of the bearing body relative to the support piece 31 in the vertical direction is raised, the second fastener 362 is unscrewed to a specified position, the penetrating rod 322 is slid upward, and the first fastener 361 and the second fastener 362 are simultaneously slid upward with the penetrating rod 322, when the second fastener 362 is abutted against the lower end surface of the support piece 31, the bearing body is adjusted to a preset position, and then the first fastener 361 is screwed, so that the first fastener 361 is abutted against the upper end surface of the support piece 31; when the installation height of the bearing body relative to the support piece 31 in the vertical direction is lowered, the first fastener 361 is unscrewed, due to the action of gravity, the penetrating rod 322 is slid downward, the second fastener 362 is simultaneously slid downward with the penetrating rod 322, and the first fastener 361 is always abutted against the upper end surface of the support piece 31, when the bearing body is adjusted to the preset position, the second fastener 362 is screwed, so that the second fastener 362 is abutted against the upper end surface of the support piece 31. The above-mentioned arrangement makes the adjustment of the installation height of the first bearing piece 32 relative to the support piece 31 in the vertical direction simple and convenient. Specifically, the penetrating rod 322 is a threaded rod.

[0065] It should be noted here that the threaded rod and the locking nut are existing structures. In the embodiment, any fastener in the prior art can be used, as long as it can realize the fixed connection of the first bearing piece 32 to the support piece 31, and will not be introduced in detail.

[0066] Further, as shown in Figure 3-5 The first mounting hole 321 is arranged on the bearing main body. The second bearing 33 includes a bearing body and a positioning rod 331. The bearing body is used for supporting the bottle body. The positioning rod 331 is fixedly connected with the bearing body. The positioning rod 331 can be inserted into the first mounting hole 321, so as to realize the detachable connection between the first bearing 32 and the second bearing 33. The bearing body can be a flat plate.

[0067] The above arrangement enables the positioning rod 331 to be accurately inserted into the first mounting hole 321, without being too loose to cause unstable connection, or being too tight to be difficult to install. That is, when the second bearing 33 needs to be replaced, the positioning rod 331 can be directly pulled out of the first mounting hole 321, so as to realize the quick and accurate positioning and detachable connection between the first bearing 32 and the second bearing 33, and improve the working efficiency of the bottle holding and rotation stopping device. Further, as shown in Figure 3 The bottom supporting assembly 3 further includes a distance sleeve 35. The distance sleeve 35 is sleeved on the outer periphery of the positioning rod 331. One end of the distance sleeve 35 abuts against the top end surface of the bearing main body. The other end of the distance sleeve 35 abuts against the bottom end surface of the bearing body. The distance sleeve 35 further determines the vertical distance between the bearing body and the bearing main body, so as to ensure the accuracy and stability of the relative position relationship between the first bearing 32 and the second bearing 33 in the vertical direction. Meanwhile, the distance sleeve 35 provides auxiliary support for the bearing body, so as to prevent the bearing body from shaking for a long time and affecting the stability of placing the bottle body.

[0068] Optionally, as shown in Figure 2 and Figure 3 In the embodiment, the bottom supporting assembly 3 further includes a column 34. The column 34 is fixedly arranged. The column 34 is threadedly connected with the support 31, so as to support and fix the position of the support 31. Specifically, the third mounting hole 312 is arranged on the support 31. The bolt passes through the third mounting hole 312 and is threadedly connected with the column 34, so as to realize the connection between the column 34 and the support 31.

[0069] Further, as shown in Figure 1 and Figure 6 The bottle holding and rotation stopping device further includes a connecting assembly 4. One end of the connecting assembly 4 is fixedly connected with the support 31. The guard plate assembly 1 is detachably connected with the other end of the connecting assembly 4. The above arrangement enables the guard plate assembly 1 to be easily detached from the connecting assembly 4 when the guard plate assembly 1 needs to be maintained, replaced or adjusted according to different types of bottle bodies. Not only does the above arrangement facilitate the maintenance and repair work of the guard plate assembly 1 itself, but also reduces the maintenance cost and time. Meanwhile, the above arrangement facilitates the structural optimization of the entire bottle holding and rotation stopping device. Optionally, as shown in Figure 1 , Figure 2 andFigure 6 As shown, a second mounting hole 311 is also formed on the support 31, and the connecting assembly 4 is threadedly connected with the support 31 through a bolt passing through the second mounting hole 311.

[0070] Optionally, as shown, Figure 6 In this embodiment, the connecting assembly 4 comprises a connecting rod 41 and a support sleeve 42; one end of the connecting rod 41 is fixed with the third guard plate 13, and the other end of the connecting rod 41 is threadedly connected with the support 31 through a bolt passing through the second mounting hole 311; the first guard plate 11 and the second guard plate 12 are slidably connected on the connecting rod 41 in the vertical direction, and the support sleeve 42 is arranged between the first guard plate 11 and the second guard plate 12 and between the second guard plate 12 and the third guard plate 13, and the support sleeve 42 is used to position the installation positions of the first guard plate 11 and the second guard plate 12 on the connecting rod 41.

[0071] By arranging the support sleeve 42, the installation positions of the first guard plate 11 and the second guard plate 12 can be effectively positioned, so that position deviation does not occur during installation, and the first guard plate 11, the second guard plate 12 and the third guard plate 13 can work cooperatively and cooperate with the star wheel assembly 2 to achieve the effect of stopping the bottle body from rotating. Optionally, as shown, Figure 6 The third guard plate 13 is threadedly fixed with one end of the connecting rod 41. In this embodiment, the third guard plate 13 is fixed with one end of the connecting rod 41 through a bolt.

[0072] Further, as shown, Figure 6 The bottle-holding and rotation-stopping device further comprises a locking assembly 5 connected between the guard plate assembly 1 and the connecting assembly 4 to lock the connection position of the guard plate assembly 1 on the connecting assembly 4.

[0073] Specifically, when the first guard plate 11 and the second guard plate 12 are adjusted to the preset positions on the connecting assembly 4, the locking assembly 5 can firmly fix the first guard plate 11 and the second guard plate 12 at the corresponding connection positions on the connecting rod 41. Thus, the guard plate assembly 1 will not be easily displaced or loosened, and unnecessary rotation of the bottle body in the cap screwing process is effectively prevented, so that the bottle-holding and rotation-stopping device can continuously, stably and accurately stop the rotation of the bottle body.

[0074] Optionally, as shown, Figure 6 In this embodiment, the locking assembly 5 comprises a first locking member 51 and a second locking member 52; the first locking member 51 is arranged between the connecting rod 41 and the support sleeve 42, and is used to fix the position of the support sleeve 42 on the connecting rod 41; and the second locking member 52 is used to lock and fix the first guard plate 11 and the second guard plate 12 on the connecting rod 41, respectively. Specifically, the first locking member 51 is an adjustable handle, and the second locking member 52 is a spanner.

[0075] It should be noted here that the adjustable handle and the spanner hand wheel are both existing structures, and how to fix the position of the support sleeve 42 on the connecting rod 41 and how to lock the first guard plate 11 and the second guard plate 12 on the connecting rod 41 will not be specifically introduced.

[0076] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present application. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent substitution and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. The bottle-holding anti-rotation device is characterized by: include: A guard plate assembly (1), comprising a first guard plate (11) and a second guard plate (12) arranged in parallel and at intervals; A star wheel assembly (2), the star wheel assembly (2) comprising a first star wheel (21) and a second star wheel (22) which are coaxial and spaced apart, the first star wheel (21) and the first guard plate (11) cooperating with each other to abut against the lower part of the bottle body, and the second star wheel (22) and the second guard plate (12) cooperating with each other to abut against the middle part of the bottle body; A bottom supporting assembly (3), the guard plate assembly (1) is connected to the bottom supporting assembly (3), the bottom supporting assembly (3) is used to support the bottle body, and the supporting height of the bottom supporting assembly (3) relative to the bottle body is adjustable.

2. The bottle-holding anti-rotation device according to claim 1, characterized in that: The first star wheel (21) is provided with a plurality of first arc-shaped notches (211) near the outer edge of the bottle body, and the lower part of the bottle body can be accommodated in the first arc-shaped notches (211); the second star wheel (22) is provided with a plurality of second arc-shaped notches (221) near the outer edge of the bottle body, and the middle part of the bottle body can be accommodated in the second arc-shaped notches (221), and the first arc-shaped notches (211) and the second arc-shaped notches (221) correspond to each other one by one in the vertical direction.

3. The bottle-holding anti-rotation device according to claim 1, characterized in that: The star wheel assembly (2) further comprises: a third star wheel (23), the third star wheel (23) and the second star wheel (22) being coaxial and spaced apart, the outer edge of the third star wheel (23) being in contact with one side of the upper portion of the bottle body; The guard plate assembly (1) further comprises: The third guard plate (13) is in contact with the other side of the upper portion of the bottle body, so that the third guard plate (13) and the third star wheel (23) cooperate with each other to abut against the bottle mouth of the bottle body.

4. The bottle-holding anti-rotation device according to claim 3, characterized in that: The outer edge of the third star wheel (23) and / or the outer edge of the third guard plate (13) are in a conical structure, and the apex of the conical structure abuts against the upper part of the bottle body.

5. The bottle-holding anti-rotation device according to any one of claims 1 to 4, characterized in that: The bottom supporting assembly (3) comprises: A support member (31), the guard plate assembly (1) being fixedly mounted on the support member (31); a first bearing member (32), the first bearing member (32) being arranged parallel to and above the support member (31), and the installation height of the first bearing member (32) relative to the support member (31) in a vertical direction being adjustable; A second carrier (33) is coaxially and detachably arranged above the first carrier (32), and the bottle body is placed on the second carrier (33).

6. The bottle-holding anti-rotation device according to claim 5, characterized in that: The first bearing member (32) is provided with a first mounting hole (321); the second bearing member (33) comprises: A carrying body, the carrying body being used to support the bottle body; A positioning rod (331), wherein the positioning rod (331) is fixedly connected to the supporting body, and the positioning rod (331) can be inserted into the first mounting hole (321).

7. The bottle-holding anti-rotation device according to claim 6, characterized in that: The bottom supporting assembly (3) further comprises: A distance sleeve (35) is sleeved on the outer periphery of the positioning rod (331), one end of the distance sleeve (35) abuts against the top end surface of the first bearing member (32), and the other end abuts against the bottom end surface of the bearing body.

8. The bottle-holding anti-rotation device according to any one of claims 1 to 4, characterized in that: The bottle-holding anti-rotation device also includes: A connecting assembly (4), one end of which is fixedly connected to the base assembly (3), and the guard plate assembly (1) is detachably connected to the other end of the connecting assembly (4).

9. The bottle-holding anti-rotation device according to claim 8, characterized in that: The bottle-holding anti-rotation device also includes: A locking assembly (5) is connected between the guard plate assembly (1) and the connecting assembly (4) to lock the connecting position of the guard plate assembly (1) on the connecting assembly (4).

10. Capping machine, characterized in that, It comprises a capping head and a bottle-holding and anti-rotation device according to any one of claims 1 to 9, wherein the bottle-holding and anti-rotation device is used to position and prevent the bottle from rotating, and the capping head is used to tighten the bottle cap to the bottle mouth of the bottle body.

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